Tag: Fertility

Ovulation is the release of a mature egg from one of your ovaries, triggered by a surge in luteinising hormone (LH). It happens once per menstrual cycle and marks the point when pregnancy is biologically possible, but it is also an indicator that your hormones are working as they should, whether or not you are trying to conceive. This guide covers everything you need to know: how ovulation happens, when it happens, what it means for your health, the myths that routinely mislead people, what the physical signs look like, and what can disrupt the process. Quick facts How does ovulation work? Ovulation is the result of a hormonal sequence that begins the moment your period starts, not something that happens in isolation mid-cycle. At the start of each menstrual cycle, the hypothalamus, a small region at the base of your brain releases gonadotropin-releasing hormone (GnRH), which signals the pituitary gland (also in the brain), to make follicle-stimulating hormone (FSH). FSH stimulates a group of follicles in the ovaries to begin developing, each one containing an immature egg.  Several follicles begin growing simultaneously, but over the following one to two weeks, one becomes dominant – larger and more developed than the rest (which are gradually reabsorbed by the body). As the dominant follicle grows, it produces rising levels of oestrogen. This oestrogen has two simultaneous effects: it thickens the lining of the uterus in preparation for a potential pregnancy, and it sends a hormonal signal back to the pituitary gland. When oestrogen reaches a peak, it triggers dramatic release of luteinising hormone – the LH surge. This surge is the direct trigger for ovulation. Within 24 to 36 hours, the dominant follicle ruptures and releases its mature egg into the fallopian tube to be fertilised. What happens next matters as much as the egg release itself. After the egg is released, the empty follicle transforms into a structure called the corpus luteum, which makes progesterone for the remainder of the cycle. Progesterone stabilises the uterine lining and supports implantation. If fertilisation does not occur, the corpus luteum breaks down, progesterone falls, and your period begins, resetting the cycle. When does ovulation start after period and how long does it last? So, does ovulation always happen on day 14? Only in the context of a textbook 28-day cycle, and even then, it’s an approximation. In reality, ovulation occurs around 12 to 16 days before your next period, not 14 days after your last one. That distinction matters, because it means ovulation timing shifts depending on your cycle length. For example, in a shorter 24-day cycle, it may occur as early as days 8 to 12. In a longer 35-day cycle, it may not happen until days 19 to 23. While day 14 is often quoted as the “average”, applying it as a universal rule is misleading. Cycle lengths vary widely between individuals and even from month to month in the same person. If you are taking birth control or hormonal contraception, you may not ovulate. These methods work primarily by suppressing ovulation and also thickening cervical mucus, making it harder for sperm to reach and fertilise an egg. It’s also important to understand where cycle variability comes from. The second half of the cycle, from ovulation to your next period (the luteal phase) tends to be relatively consistent, typically lasting around 14 days. The variation in total cycle length mostly comes from the first half (the follicular phase), which is why ovulation timing can shift. Even if you have regular cycles, ovulation isn’t perfectly predictable. Factors like stress, illness, travel, weight fluctuation, and disrupted sleep can delay ovulation by interfering with the hormonal signals that trigger it. When a period arrives later than expected, it’s usually because ovulation happened later,  not because the period itself was delayed. As for how long ovulation lasts, the process itself only takes about 12 to 24 hours. You can expect to ovulate about 8-20 hours after your LH peaks or 24-36 hours after the LH surge begins rising. What is the fertile window? Your fertile window is a six-day window during each menstrual cycle, the five days leading up to ovulation and the day of ovulation itself when you are most likely to get pregnant. An egg can only survive for 12–24 hours after ovulation, but sperm can survive for up to five days in the female reproductive tract, so if you have unprotected sex in the days before ovulation, pregnancy is still possible. Recent research has shown that the two to three days immediately before ovulation carry the highest probability of conception. In 2025, Hertility’s research team published a study that has become the largest of its kind on fertility awareness in women actively trying to conceive. Analysing responses from 97,414 women, the study found that more than 41% could not accurately identify their fertile window.  What are the signs of ovulation? Your body produces a recognisable set of physical signs and symptoms  around ovulation. Not everyone experiences all of them, but knowing what to look for is the first step in understanding your cycle. The most consistent physical sign is a change in cervical mucus. In the days before ovulation, discharge becomes increasingly clear, slippery, and stretchy, a consistency often compared to raw egg white. This mucus coincides with peak fertility and is driven by rising oestrogen. After ovulation, progesterone causes mucus to thicken and reduce. Other signs include a mild one-sided ache or twinge in the lower abdomen (mittelschmerz), a slight rise in basal body temperature (BBT) after ovulation has occurred, light mid-cycle spotting, increased libido, and breast tenderness. To know read our blog here. How can you track ovulation signs and symptoms? There are several methods you can use to track ovulation, including hormone testing kits, monitoring cervical mucus changes, tracking basal body temperature, and using a period tracking app. Each has different strengths and limitations. Ovulation predictor kits (OPKs) Ovulation predictor kits detect the LH surge in your urine […]

Anti-Müllerian Hormone (AMH) is one of the most talked-about fertility hormones, but also one of the most misunderstood. Because AMH is closely linked to your eggs, testing it can offer valuable insight into your ovarian reserve (the number of eggs you have left). But it’s not a fertility “yes or no” test. In this guide, we break down exactly what AMH testing can and can’t tell you about your reproductive health.  Quick facts: What is AMH and why is it so important? Anti-müllerian hormone (AMH) is made by small fluid-filled sacs in the ovaries called follicles, each of which houses an immature egg. Because AMH is made by these follicles, your AMH level gives an indication of how many eggs you may have remaining at a given time. However, this is only one piece of the fertility puzzle. There are a few myths out there about what exactly AMH testing can tell us. In this article, we cover the main things an AMH test can and can’t tell you. Let’s get into it. What can AMH testing tell me? Whether your ovarian reserve is a normal for your age AMH testing will give you insights into whether your ovarian or egg reserve is what is expected with other healthy people in your age group. It helps you understand whether your egg reserve is higher, average, or lower than expected for your age. If you are not using any hormonal contraception, testing other hormones, like follicle-stimulating hormone (FSH) and oestradiol alongside AMH can also help to build a more complete picture of egg reserve. Generally, people with low egg reserves are known to have higher levels of FSH and lower levels of oestradiol. Whether you have polycystic ovaries or polycystic ovary syndrome AMH testing can also be used as an indicator of whether you could have polycystic ovaries (PCO). PCO is a common reproductive health condition affecting around 30% of reproductive-aged people assigned female-at-birth. PCO is benign and does not affect fertility, but it can cause other unwanted symptoms.  People with PCO have a higher-than-expected number of immature follicles in their ovaries. More follicles mean a higher level of AMH in the blood.  Some people with PCO also have the syndrome that can be associated with it polycystic ovary syndrome (PCOS), which often presents as symptoms like irregular periods, acne, hair thinning or loss and high testosterone levels. According to updated guidelines, AMH can now be used as an indicator for polycystic ovaries in place of doing an ultrasound scan for the diagnosis of PCOS. However, at Hertility, we would always recommend getting a pelvic ultrasound scan to further assess your ovarian reserve. During this scan, your ovaries are assessed to determine your antral follicle count (the number of eggs sacs seen within your ovaries) and to confirm the diagnosis. Whether IVF or egg freezing could be right for you In fertility treatment settings, AMH plays an important role in guiding decisions around interventions such as IVF and egg freezing . It is commonly used to estimate how the ovaries may respond to stimulation and to guide medication dosing.  Lower AMH levels are generally associated with retrieving fewer eggs during IVF, while higher levels may indicate a stronger response but also carry a risk of developing a rare but potentially life threatening condition called OHSS (ovarian hyperstimulation syndrome). This makes AMH a valuable tool for planning treatment safely and effectively. Many NHS-funded and private IVF clinics therefore require a minimum AMH level for you to be eligible for a free IVF treatment cycle. The minimum level on the NHS will depend on where in the UK you are currently residing. Whether you may be perimenopausal or menopausal or have POI Menopause marks the point at which your periods stop permanently, typically between the ages of 45 and 55, with the average age for menopause in the UK being 51. After menopause, natural conception is no longer possible. It is associated with a very low, or completely depleted, ovarian reserve. Clinically, menopause is usually diagnosed retrospectively, after 12 consecutive months without a period in someone not using hormonal contraception. In individuals under the age of 45, follicle-stimulating hormone (FSH) is more commonly used as a diagnostic marker, as levels tend to rise when ovarian function declines. While AMH is not currently recommended as a standalone test to diagnose menopause, it is well established that AMH levels fall to very low levels as ovarian reserve diminishes. This makes AMH a useful indicator of overall ovarian activity. Declining or very low AMH levels can suggest that you are approaching menopause, although it cannot predict the exact timing. In younger individuals, particularly those under 40, significantly low AMH levels may raise suspicion of premature ovarian insufficiency (POI), a condition in which the ovaries stop functioning earlier than expected. What can’t AMH testing tell me? While AMH testing is a useful tool for understanding your ovarian reserve, it only represents one part of your overall fertility picture. There are several important limitations to be aware of, and understanding these can help you interpret your results more accurately and avoid common misconceptions. It can’t determine your egg quality One of the biggest limitations is that AMH cannot tell you anything about your egg quality. Although AMH reflects the number of eggs you may have remaining, it does not provide any insight into how healthy those eggs are. Egg quality is one of the most important factors influencing fertility and pregnancy outcomes, and it is largely driven by age and genetics. At present, there is no reliable test to measure egg quality directly, except through assessing embryos during IVF treatment. It can’t determine your exact egg quantity AMH also cannot determine your exact number of eggs. While it gives an indication of the size of your ovarian reserve, it is not a precise measurement. This is because AMH is made by ovarian follicles, and each follicle can release different amounts of the hormone depending on its size and […]

Prolactin has several important functions in the body. But what exactly does prolactin do and how do we know if our levels have become imbalanced? In this article, we’ll dive into exactly what prolactin is, what its functions are in the body, discuss imbalances in its levels and the importance of testing prolactin levels for reproductive and overall health. Quick facts: What is prolactin? Prolactin is a hormone that encourages breast growth and milk production during and after pregnancy, as well as maintaining our metabolism, regulating our stress response, maintaining a functioning immune system and in the development of our reproductive organs.  Similarly to follicle-stimulating hormone (FSH) and luteinising hormone (LH) it is secreted by the anterior pituitary gland, located at the base of the brain. From there, it’s released into the bloodstream where it travels around the body to carry out its functions.  Prolactin interacts with FSH and LH, and other cycle hormones, in a complex negative feedback loop. After ovulation prolactin production increases to prepare the body for a potential pregnancy. Prolactin’s role in breastfeeding In pregnant women, prolactin stimulates milk production in the mammary glands of the breasts—allowing for the secretion of breast milk. After birth, there is a postnatal rise in prolactin, which gets things started—but this isn’t enough to maintain breast milk development. When a baby suckles, prolactin levels in the blood increase in response, which stimulates the production of more milk. Prolactin levels spike around 30 minutes after the start of the feed, so this positive feedback effect is important for ensuring there is enough milk for the next feed.  This can also be stimulated by breast pumping, if you choose not to, or are unable to breastfeed. Prolactin levels Just like all of our hormones, from time to time, our prolactin levels can get off balance. This can cause a whole range of different symptoms and effects throughout the body, including affecting our thyroid hormones, stress hormones, menstrual cycles and ovulation. What are normal prolactin levels? Reference ranges for what is a normal prolactin level will be specific to the lab that is testing your sample.  Higher prolactin levels are usually present in those assigned-female-at-birth than those assigned-male-at-birth. In general, prolactin levels are expected to be less than 25 μg/L in those assigned-female-at-birth, who are not pregnant or breastfeeding. High prolactin levels Too much prolactin can stop our brains from producing FSH and LH—two key hormones involved in regulating our menstrual cycles and bringing about ovulation.  If FSH and LH are affected, ovulation can stop leading to the loss of periods, which is called amenorrhoea. No ovulation means no chance of a pregnancy, and therefore big issues for our fertility. Disruption to our menstrual cycle can also cause knock-on effects on our oestrogen levels, causing oestrogen deficiency. Some of the most common symptoms of high prolactin levels to look out for are milky white discharge from the nipples when not breastfeeding (galactorrhea), disturbances to the menstrual cycle, visual disturbances, headaches and symptoms of oestrogen deficiency. High prolactin levels can be caused by a variety of reasons, including imbalances in our thyroid and stress hormones. Additionally, a growth or tumour present in our pituitary glands, called a prolactinoma, can also cause persistent or increasing prolactin levels. Symptoms of high prolactin levels can include: Note: If you are experiencing any form of nipple discharge when not breastfeeding, get this checked by a physician or GP as it can be a symptom of breast cancer. Symptoms of high prolactin levels after menopause Although high prolactin levels are not common in those postmenopausal, it can occur. Excess prolactin after menopause often causes hyperthyroidism, when the body doesn’t make enough thyroid hormone. Symptoms can include: How to lower prolactin levels If you’re wondering how to reduce prolactin levels, this is very much dependent on the cause of your excess prolactin levels.  Your doctor may prescribe you medications like bromocriptine or cabergoline to lower your prolactin secretion. Surgery may also be recommended as the best treatment option for you.  Persistently high prolactin that has been caused by chronic stress, over-exercising or poor sleep may be lowered by lifestyle modifications. Low prolactin levels On the flip side, low prolactin levels is called hypoprolactinemia. Sometimes there aren’t any obvious symptoms of low prolactin levels, other than not being able to produce or release much breast milk after giving birth. Breastfeeding can increase our prolactin levels naturally—as the more we stimulate the nipples, more prolactin is produced.  Most people with low prolactin levels don’t have any specific medical issues, although there is preliminary evidence that suggests they might have reduced immune response to some infections and it could indicate that the pituitary gland isn’t functioning properly. Why should we test our prolactin levels? Like all of our reproductive hormones, it’s good to check in with prolactin regularly, especially if we’re trying to conceive or having any problems with our menstrual cycles or experiencing hormonal symptoms.  Testing our prolactin levels with a prolactin blood test can help us to determine if there are any hormonal issues affecting our fertility or menstrual cycle, or investigate any symptoms of prolactinoma. With a Hertility advanced hormone and fertility test, we can test your prolactin levels alongside your Anti müllerian hormone (AMH), thyroid hormones and cycling hormones (FSH, LH and oestrogen) to help you gain a full insight into your hormonal health and fertility. If you’ve already done a test and received an abnormal prolactin result, you can book an appointment with one of our Private Gynaecologists specialising in hormone and fertility concerns to discuss your results and get a personalised care plan. Appointments are available daily, with no GP referral required. Prolactin FAQs Can I get an FSH, LH, Prolactin test all in one? Luckily, you’re in exactly the right place. With our Hormone and Fertility test we will test you for up to 10 reproductive hormones, including your FSH, LH, prolactin and more.  Do prolactin levels change with age? Unlike hormones like Anti Müllerian […]

Around 2 in 3 people assigned female-at-birth will develop a fibroid at some point in their lifetime. But what are fibroids, how do we look out for symptoms and what are the treatments if we’re diagnosed? Read on to find out.  Quick facts: What are fibroids? Uterine fibroids are benign or non-cancerous growths in and around the uterus, or womb. They are made up of fibrous muscle tissue and are extremely common. Around 2 in 3 people assigned female-at-birth will develop a fibroid at some point in their lifetime (1). Your risk of developing a fibroid increases with age and if you: Where do fibroids grow? Fibroids can vary in size and you may have one or multiple fibroids. They can develop as singular fibroids or as clusters. There are three different types of fibroid, depending on where in the body they grow: Signs and symptoms of fibroids Not all people who develop fibroids experience symptoms. Most are actually asymptomatic and have no symptoms at all. Only approximately 1 in 3 people with fibroids will experience symptoms. The symptoms of fibroids can include: What causes fibroids?  Unfortunately, like many reproductive health conditions, the exact cause of fibroids is unknown. What we do know though, is they’re affected by oestrogen and progesterone—two hormones important for regulating the menstrual cycle. After menopause, when oestrogen and progesterone levels drop, fibroids tend to shrink (3). How are fibroids diagnosed? To diagnose fibroids you’ll need a pelvic ultrasound scan. Usually, your doctor will discuss any symptoms you’ve been experiencing with you first. Then they’ll carry out an abdominal examination to look for any areas of tenderness or masses in your abdomen, before referring you for a scan.  The ultrasound will look at your reproductive organs including your uterus, Fallopian tubes, ovaries and general pelvic area. This can be done either transvaginally (through the vagina) or transabdominally (looking at your uterus through your abdomen). A scan is the only way to definitively diagnose fibroids and to determine their size and location. You may also be offered a blood test to screen for iron deficiency anaemia, which is a condition that can occur as a result of heavy bleeding.  Because lots of people with fibroids don’t experience symptoms, often fibroids are found coincidentally. This could be during an ultrasound for a pregnancy or another suspected condition. Black women have an increased risk of developing fibroids Black women are three times more likely to develop fibroids than white women. They’re also more likely to be diagnosed with fibroids at a younger age, have a longer duration of symptoms and have larger, more rapidly growing fibroids. Although the increased risk of fibroids in Black women is known, there’s been little research conducted to understand why this is. Some research suggests genetics, such as Vitamin D deficiency in Black women (4) could be a link. Other research has suggested certain environmental factors could be linked. These include exposure to chemical relaxers, used for afro-textured hair, which have been linked to a higher risk of developing fibroids (5). Will fibroids affect my fertility? Some fibroids can cause problems with fertility (6). This largely depends on their size and where they are located.  Fibroids can affect the structure of the uterus and its surrounding organs. Meaning they can prevent sperm from fertilising an egg or prevent an embryo from implanting. However, lots of people with fibroids do not have any difficulties getting pregnant. How are fibroids treated?  Treatment for fibroids depends on:  If you have fibroids that are not causing symptoms and aren’t likely to affect your fertility, then generally no treatment is required. But if you begin to experience any new symptoms, it is really important to go back to the doctor to have a check-up.  The treatment methods for fibroids can be broken down into non-surgical and surgical methods. Non-surgical methods If you commonly experience heavy periods as a result of your fibroids, you may be given medications such as tranexamic acid. This is a medication which breaks down blood clots in the womb. You may also be given anti-inflammatory medications, like ibuprofen or an oral medication called Ryeqo. The combined oral contraceptive pill and hormonal IUD can also be prescribed to help you have lighter, less painful periods.  As well as treating heavy periods directly, you may also be given a gonadotrophin-releasing hormone (GnRH) analogue. This is to try and shrink your fibroids and is also commonly prescribed before any surgical treatment.  GnRH analogues work by reducing your levels of oestrogen. Low levels of oestrogen can lead to several other long-term complications, so this method can only be used for a short period.If you have larger fibroids, you may be offered a procedure called Uterine Artery Embolisation. This is used to block the arteries which supply blood to the fibroids. If you have smaller fibroids, you may also be offered a procedure which removes the lining of the womb called Endometrial Ablation. Surgical methods There are various surgical techniques which can be used to treat fibroids. Surgery can be explored if medical treatments don’t work for you or aren’t suitable in the long term.  You may be offered one of the following surgical treatments for fibroids:  What type of procedure is most suitable for you depends on the location, size and number of your fibroids. Each varies in terms of invasiveness, risks and its potential effect on fertility. Some people’s fibroids may grow back after surgery, known as ‘recurrence’.  Suspect you may have fibroids? As the symptoms mentioned above are commonly experienced in various types of pelvic issues, they may be linked to other causes apart from fibroids.  If you’re suffering from painful periods or any of the above symptoms, it’s important to get your hormones tested, to rule out a hormonal cause. This, alongside a pelvic ultrasound scan, can help you get to the bottom of symptoms and get a recommended care plan based on your biology.  If you’ve been diagnosed with fibroids, you can also talk to our team of […]

Fertility testing is much more common than it used to be. But with the growth in the at-home fertility testing market, how do you know which one is best? In this article, we explain why Hertility is a cut above the other at-home tests available.   Quick facts: What at-home testing can tell you Whilst there is no way to 100% definitively determine how fertile you are, testing our hormones can give us key insights into the functioning of our reproductive health and ovarian reserve (egg count).   There are a whole range of different hormones that can work hard to regulate the menstrual cycle and ovulation. If just one becomes imbalanced, it can throw the whole system off.  At Hertility, we’ve spent years building the most accurate diagnostic tool in female health and our tests can give indicative diagnoses within just 10 days of testing.  We don’t believe in doing things in halves—so unlike a lot of other at-home tests on the market, we provide full end-to-end care. Here’s what to expect with each step of our test.  Online Health Assessment  Your test starts with an Online Health Assessment. It takes around 5 minutes to complete and is essentially everything you would cover in an initial private gynaecologist appointment before being referred for a hormone test.  Up to 60 questions cover your medical history, period and cycle, symptoms and individual biomarkers. Each question has been carefully selected to build a 360-degree view of your health and fertility.  Our proprietary algorithm will then determine your risk factors, using 835,000 data variables, for various conditions or hormone imbalances. You’ll then be recommended a personalised hormone panel for your test, based on the analysis of your Online Health Assessment results.  Some other at-home tests don’t include this crucial step and will simply test you for a generic hormone panel. Which hormones do Hertility test? Depending on the outcome of your recommended panel, your test could include the following hormones:  Some fertility tests will only look at E2, LH, FSH and testosterone. These are all very useful in determining how your menstrual cycle is working, but without looking at the full picture and the interplay between different hormones, you’ll only be able to get half the picture.  That’s why we take a comprehensive, whole-body approach when it comes to your hormones and fertility.  You’ll receive your at-home test kit with your personalised panel 3-5 days after you place your order. Our kits are easy-to-use with detailed instructions on each step with links to video instructions. Anti-Müllerian Hormone (AMH) A key part of any fertility test is measuring the levels of a hormone called Anti-Müllerian Hormone or AMH. Produced by the cells in your developing eggs, AMH can be used as a really powerful indicator of how many eggs you have left.  Studies comparing the levels of AMH with the number of eggs seen on a pelvic ultrasound scan (when done on the same day of your cycle) have shown AMH to be a reliable way to gauge egg count.  After peaking in your 20’s, AMH levels decline, dropping more rapidly after your mid-30s. However, this rate of decline differs from person to person so it’s important to test regularly to understand what this rate of decline looks like for you.  Based on over 10 years of clinical research, AMH is established as the single most important marker of ovarian reserve and forms a core part of our advanced hormone and fertility test. AMH will always feature in your hormone panel, however, it’s important to know that if you’re currently taking hormonal contraception this can temporarily suppress your AMH. Although you can still test AMH while on contraception and get valuable insights, we recommend waiting three months after coming off contraception to give the most accurate results.  Furthermore, research has found that AMH has the potential to be used as an indicator of when someone will go through menopause, a predictor of fertility treatment success and can be used when diagnosing reproductive health conditions such as PCOS & POI.   A fertility test isn’t all about AMH. AMH alone cannot give you the entire picture, it’s just one piece of the puzzle. So, when looking at your fertility, and overall reproductive health, it’s crucial to take a whole-body approach.  Results and follow-up doctor-written report Just 10 days after sending your test kit back to us, you’ll be able to access your hormone results in your online health hub. Each hormone result comes with an explanation, so you can easily understand what your result means.  Along with your results, you’ll receive a doctor-written report that will consider your Online Health Assessment results alongside your blood work. Your dedicated doctor will outline a care plan based on any symptoms you might be experiencing and will recommend any onward care or treatments should you need them. The takeaway At Hertility, we care deeply about your health and well-being. Our mission is to arm women with the answers they need about their reproductive health so that they can make informed decisions about their futures. Our Online Health Assessment and at-home test kits have been rigorously quality tested and are CQC-approved, MHRA-regulated and CE-marked. Start your Health Assessment here.

Hertility partners with Pearl & Dean for the launch of #MeToo film, ‘She Said’, to rally women in the UK for the next women’s rights movement, the Reproductive Revolution.   Women’s health company Hertility’s award-winning film, ‘Ooh Someone’s Hormonal,’ spotlighted the lack of research on women’s bodies and called out society for using women’s hormones against them. Now, they’re teaming up with Pearl & Dean, the UK’s best-known cinema advertising contractor, to take the “Mother of all movements” to the next level in a bid to urge millions of women across the UK to get to know their bodies. For 5 weeks from November 25th, ‘Ooh Someone’s Hormonal,’ created by female-founded creative content agency Be The Fox, will be shown before every screening of ‘She Said’ in Pearl and Dean cinemas nationwide, the film starring Carey Mulligan and directed by Maria Schrader telling the story of the #MeToo movement.  Founded by women and powered by an (all female) research team, Hertility is setting a new standard of scientific rigour in female health by empowering women with information about exactly what’s going on under their skin using at-home diagnostic testing, telemedicine and treatment. By joining forces with cinema ad sales firm Pearl & Dean, the partnership aims to fuse science and art in the fight for equality. ‘The #MeToo movement was such a huge step forwards in women’s rights but from a reproductive perspective, women are still second-class citizens. We want to inspire women watching ‘She Said’ to join us in our fight in the next revolution – the Reproductive Revolution – by getting to know their bodies and taking control of their life choices. For themselves and for all women worldwide.’ – Dr Helen O’Neill, CEO and Founder of Hertility Carey Mulligan, has spoken openly about the lack of support for women in the film industry but as a middle finger to the male-dominated Harvey Weinstein era, ‘Ooh Someone’s Hormonal’, produced by female-led production company, Be The Fox, shows Hollywood how it’s done. Echoing the equality seen in the production of ‘She Said’, the female-powered cast and crew of ‘Ooh Someone’s Hormonal’ worked to the soundtrack of female artist Rebecca Taylor of Self-Esteem, complete with childcare on set, changing the outdated landscape and showing what’s possible when women, fully supported, come together. Diana Ellis Hill, Co-Founder, Be The Fox comments: “Empowering women and having true representation is an important cause that’s close to our hearts. We gathered an 80% female team to make the film from DOP and Director to Editor and Colourist as we wanted it to be real and authentic. We are immensely proud of what’s been produced and to see our film on screens at cinemas nationwide ahead of She Said.” Kathryn Jacob OBE, CEO at Pearl & Dean, said: “Cinema is a unique advertising medium in the sense that it is both a personal and shared experience. Cinema has the power to truly reach an individual, and to speak to them one on one, as well as spark a conversation. We are honoured to be working with Hertility to launch its first ever cinema campaign and to be a part of helping to better articulate an important issue that is often hidden or ignored by wider society.” Watch the cinema advert ‘Ooh Someone’s Hormonal’ More information on ‘She Said’

Pioneering new egg-freezing research has been published by Hertility Doctors, Dr Lorraine Kasaven and Dr Benjamin Jones. Read on for a summary of their findings on the optimal age to freeze your eggs. Quick facts: Is it worth freezing your eggs in your 40s? This is one of the most frequent questions our Doctors get asked by women over 40. The answer, to date, has been—there really isn’t enough data to answer this confidently.  So, in true Hertility fashion, where the data doesn’t exist, we make it our mission to change that. This month, two of our Hertility Doctors, Dr Lorraine Kasaven and Dr Benjamin Jones, published a new study, ‘Reproductive outcomes from ten years of elective oocyte cryopreservation,’ using data from 373 women over ten years to find out the answer to this question once and for all. Their findings suggest that women should get their eggs frozen before the age of 36 to increase their chances of successfully conceiving.  Whilst previous research focused on the number of good quality eggs successfully frozen, Dr Lorraine and Dr Ben’s research looked at the real-world outcomes. Basically—what happened when women tried to use those successfully frozen eggs to get pregnant?  The research outcomes Of the 373 women who froze their eggs, only 36 returned to use them. Those 36 women went through a total of 41 frozen embryo transfers which resulted in 12 live births.  None of those who froze their eggs after the age of 40 had a baby. 82% of the babies were born to women who froze their eggs between the ages of 36 and 39 years of age. This research therefore suggests that egg freezing is a viable option for having children later in life but it’s not a ‘fail-safe’ way of preserving your fertility.  This research indicates: One step closer to closing the gender data gap We are immensely proud to have our doctors flying the flag with such important research. This research directly arms our doctors with the most up-to-date research for patient consultations.  It’s another small step forward in our universal understanding of female reproductive health and a giant step towards empowering the lives of women everywhere to have kids (or not) on their terms.  Read the full paper here.  References:  Kasaven, L.S., Jones, B.P., Heath, C. et al. Reproductive outcomes from ten years of elective oocyte cryopreservation. Arch Gynecol Obstet306, 1753–1760 (2022). https://doi.org/10.1007/s00404-022-06711-0

Check your fertility The results revealed that between fertility preservation methods: egg, embryo or ovarian tissue freezing, there was no significant difference between these methods for women to have live births after pregnancies. At Hertility we are so proud to not only offer new and different care pathways for women but also to be home to so many amazing researchers. So we thought in this article we would take you through the research, and the findings and explain them to you. After all – knowledge is power! First up, let’s recap on fertility preservation…. We’ve already published an article that covers all the different types of fertility preservation for people with ovaries but here is a brief sum up: There are both medical and social reasons to undergo fertility preservation.  Medical fertility preservation means preserving parts of your fertility in people who might lose their ability to reproduce due to upcoming medical treatment, for example, cancer patients about to undergo chemotherapy/radiotherapy or people undergoing gender reassignment surgery, or for some who have an autoimmune condition that want to protect their fertility. Whereas, social fertility preservation is when you are opting to freeze your eggs because of social and age-related factors. There are several different fertility preservation methods, some of which include: Egg freezing – This is what it says on the tin: collecting your egg cells and putting them on ice for later use. Embryo freezing – This process involves fertilising your collected egg with IVF using either donor’s or your partner’s sperm and then the resulting embryo is frozen until you are ready to use it. Ovarian tissue cryopreservation – This method is created mostly for younger patients who have not yet gone through puberty and are therefore not able to fully mature their egg cells. Tissue containing immature eggs is cut from their ovaries and is preserved in a tissue bank until the tissue can be re-implanted and used at a later stage, however, this is not routinely used for the general population. There are more fertility preservation options but in this study, researchers only included cancer patients who had undergone oocyte, embryo or ovarian tissue cryopreservation (freezing) What did this study do? Researchers followed cancer patients that had both fertility preservation and then had fertility-damaging cancer treatment (gonadotoxic therapy) who were now looking to start a family using their cryopreserved oocyte, embryo or ovarian tissue. The main outcomes this research looked at were if there were clinical pregnancies (clinical signs of the foetus can be either seen or heard), miscarriages (pregnancy loss) and live birth (completed pregnancies that result in a live birth). What were the results? This study found that between fertility preservation methods: egg, embryo or ovarian tissue freezing, there was no significant difference between these methods for women to have live births after pregnancies. (In science it’s all about whether a difference is significant or not!).  Also high clinical pregnancy rates and live birth rates were observed in all techniques. They also found that freezing ovarian tissue results in significantly less miscarriages than embryo freezing, which is interesting and is something to further investigate! What do these results mean? Like anything in science, there are limitations in the study and this research does report some limitations since it was an early analysis. However, this is a really important and interesting starting point in this area of research and for cancer-related fertility preservation.Researchers hope that this study helps to establish better reporting of outcomes in cancer patients and will encourage clinicians to use appropriate statistics and information to counsel women who find themselves facing a cancer diagnosis on their chances of biological motherhood. If you fancy having a read of the article yourself, have a look here! At Hertility, we are dedicated to revolutionising women’s healthcare, whether that be through improving care pathways, helping women receive answers about their bodies through our at-home tests or contributing to the Women’s Health research. It’s all part of our mission for a #ReproductiveRevolution. Recent research conducted by some of our Hertility Team, led by one of our co-founders Dr Natalie Getreu, has been published in the Fertility and Sterility Journal. Fertility can be affected by cancer and cancer treatment to such an extent that women may have reduced family planning options once they’ve completed their treatment. Although, records of the success of fertility preservation methods in cancer patients are not routinely collected by hospitals, fertility clinics or researchers. Instead, when it comes to egg and embryo freezing, clinicians routinely use success rates from patients that have undergone fertility preservation for social reasons as opposed to medical reasons. Therefore, our research team aimed to look into pregnancy outcomes in cancer survivors who had used their frozen tissues to provide more up-to-date and relevant information for these patients. Check your fertility The results revealed that between fertility preservation methods: egg, embryo or ovarian tissue freezing, there was no significant difference between these methods for women to have live births after pregnancies. At Hertility we are so proud to not only offer new and different care pathways for women but also to be home to so many amazing researchers. So we thought in this article we would take you through the research, and the findings and explain them to you. After all – knowledge is power! First up, let’s recap on fertility preservation…. We’ve already published an article that covers all the different types of fertility preservation for people with ovaries but here is a brief sum up: There are both medical and social reasons to undergo fertility preservation.  Medical fertility preservation means preserving parts of your fertility in people who might lose their ability to reproduce due to upcoming medical treatment, for example, cancer patients about to undergo chemotherapy/radiotherapy or people undergoing gender reassignment surgery, or for some who have an autoimmune condition that want to protect their fertility. Whereas, social fertility preservation is when you are opting to freeze your eggs because of social and age-related factors. There are […]

AMH (anti-Müllerian hormone) is a hormone made by the small, developing follicles in your ovaries. Measured with a simple blood test, and is a marker of your ovarian reserve or broadly, how many eggs you have left. It reflects egg quantity, not quality, and it’s one important piece of your wider fertility picture, not the whole story. If you’ve come across it while looking into your fertility, egg freezing, or “checking your egg count,” you’re in the right place. Here’s what AMH actually is, what your result can and can’t tell you. Quick facts: What is AMH? Anti-Müllerian hormone (AMH) is made by cells surrounding the small, developing follicles in your ovaries. Each of these follicles contains an immature egg. Because the number of these follicles is related to the size of your remaining egg pool, the amount of AMH in your blood can provide an indication of your ovarian reserve. Think of AMH as an indirect marker rather than an egg counter. It cannot tell you exactly how many eggs are left in your ovaries, but it can help show whether your ovarian reserve appears higher, lower or around what would be expected for your age. You’re born with all the eggs you’ll ever have, as we age, both our egg quality and quantity declines. As the pool shrinks, so does your AMH, which is what makes it such a useful window into where your reserve sits for your age. What is a normal AMH level for my age? There is no single normal AMH level that applies at every age. AMH naturally declines as you get older. A level that might be considered relatively low for someone in their 20s could be entirely expected for someone in their early 40s. That means the most useful question is not if you levels are good or bad, but more about how your levels compare with what is expected for someone your age? Broadly, AMH is higher in your twenties and declines through your thirties, with a steeper drop from the mid-thirties onwards, though there’s wide natural variation, and some people have a lower reserve earlier than expected. AMH results are also assay-specific. Different labs use different testing platforms, and because there’s no single international standard for calibrating AMH, a number from one lab can’t be directly compared to a number from another. This is why a result is only meaningful when it’s read against the reference range of the exact lab that ran it. At Hertility, AMH is interpreted using age-stratified reference ranges, so your result is compared with the expected range for people of a similar age rather than against one universal cut-off. Your result should also be interpreted alongside factors such as your cycle history, symptoms, hormonal contraception, medical history and fertility goals. How does AMH change with age? AMH is generally highest earlier in reproductive life and decreases as the ovarian follicle pool declines with age. There is, however, a lot of variation between individuals. Two people of exactly the same age can have quite different AMH levels without either necessarily having a reproductive health problem. This is why age matters so much when interpreting AMH. AMH also shouldn’t be confused with egg quality. Although both egg number and egg quality decline with age AMH measures the follicle pool. It does not tell us whether the eggs within that pool are chromosomally healthy. What does a low AMH level mean? A low AMH result means your ovarian reserve appears lower than expected for your age. It does not mean that you cannot get pregnant. This distinction is really important. AMH is much better at predicting how your ovaries may respond to fertility medication than it is at predicting whether you will conceive naturally. Current NICE guidance specifically says AMH should not be used to predict the chance of pregnancy through spontaneous conception. Instead, AMH or an antral follicle count (AFC) can be used to predict ovarian response when planning assisted conception. So if your AMH is low, it may mean that fewer eggs would be expected to develop during an IVF or egg-freezing stimulation cycle. Depending on your age and plans for pregnancy, it may also be useful information when thinking about fertility timelines. But it does not tell us whether the eggs you have are healthy, whether you are ovulating, whether your fallopian tubes are open, whether there are any issues affecting your uterus or, where relevant, whether sperm factors could affect conception. Does low AMH mean I can’t get pregnant? Many people with low AMH conceive naturally and without difficulty, particularly when they are younger and their egg quality is high. What low AMH does mean is: It tells you that your egg quantity is lower than average for your age. If your AMH is very low, particularly if you are under 40 and also have irregular or absent periods or symptoms associated with early menopause, your doctor may want to investigate further for conditions such as premature or primary ovarian insufficiency (POI). AMH alone, however, does not diagnose POI. Does high AMH mean I am fertile and won’t have problems conceiving? A high AMH level usually means there are more small follicles in the ovaries than expected for your age. It does not automatically mean you are more fertile. This is another common misconception about AMH. More follicles may mean a larger ovarian reserve, but natural fertility depends on much more than egg quantity. AMH cannot tell you about egg quality, whether you ovulate regularly, the health of your fallopian tubes or uterus, or sperm quality. Higher AMH is also commonly seen in people with PMOS, formerly known as PCOS, because the ovaries often contain a greater number of small follicles. A high AMH result therefore needs context rather than being interpreted as simply “good”. Can AMH diagnose PMOS or PCOS? AMH can contribute to a PMOS/PCOS assessment in adults, but it cannot diagnose PMOS on its own. Under current international guidance, AMH […]

If you’re looking to conceive soon, nutrition can have a big impact on your fertility and reproductive health—both positive and negative. Get to know which foods are natural fertility boosters and valuable lifestyle changes that can improve your journey to conception. Quick facts: Why are diet and nutrition important for fertility? As the saying goes, we really are what we eat. Our diets and nutrition impact almost all of our body’s processes—all the way from our metabolism to our mental health. But one often overlooked area is how food can impact our fertility. When trying to conceive, you’ll need a high-nutritional diet. This can increase your chances of conceiving and help to create a healthy home for your baby during their vital first 9 months. Even making small changes to your lifestyle and nutrition choices can go a long way. Here are 16 evidence-backed tips from our Registered Nurse and Associate Nutritionist, Emily Moreton to help prepare your body for pregnancy. You can also book an appointment with a Hertility Nutritionist for a personalised plan. 1. Follow a Mediterranean-style diet Whilst there are no specific guidelines for a recommended fertility diet, the Mediterranean diet, is associated with improved fertility in both women and men. Known for its abundance of fruits, vegetables, nuts, whole grains, fish and healthy fats, the Mediterranean diet is rich in antioxidants. These have been shown to protect sperm and eggs from DNA damage and oxidative stress. A study involving 15,396 participants, which looked at how different diets affect fertility, showed that sticking to the Mediterranean diet improved birth and pregnancy rates significantly, with a 91% higher chance of success. This diet is also high in fibre and rich in vitamins and minerals that support fertility and pregnancy. Think lots of veg, whole grains, nuts, seeds, beans, pulses, olive oils, avocados and oily fish. 2. Eats foods high in antioxidants Eating a diet rich in a variety of colourful fruits and vegetables can provide a wide range of antioxidants that support fertility and overall health. Think making a rainbow on your plate. Foods high in antioxidants include fruits (such as berries, apples, and citrus fruits), vegetables (such as broccoli, spinach, kale, and carrots), nuts, seeds, and whole grains. 3. Increase intake of plant-based proteins In general, you should focus on lowering your intake of red and processed animal meats and focus on adding plant-based protein sources into your diet.  This can include fertility-friendly and micronutrient-rich beans, lentils, peas, soya beans, and chickpeas. Plant-based protein sources help to support healthy ovulation and are high in antioxidants and nutrients, such as iron and fibre, which are really important during pregnancy.  Low iron levels can add to your tiredness or even could cause iron deficiency anaemia. Iron deficiency during pregnancy can increase the risk of pregnancy complications. It is also important to keep your iron uptake up postpartum too, to replace any iron lost at birth.  You’ll also find some protein in whole grains such as quinoa. If you are opting for plant-based meat alternatives (‘fake meats’), choose a brand that is not ultra-processed and low in additives. 4. Cut down on sugar Cutting down on sugar can be beneficial for fertility. This is because too much sugar can lead to insulin sensitivity, disrupting certain reproductive hormones and causing inflammation. Insulin spikes have been associated with poor egg quality and sperm production and could affect implantation. A study published in the American Journal of Clinical Nutrition in 2018 found that women who consumed two or more servings of sugary drinks per day had a 50% higher risk of ovulatory infertility compared to those who consumed less than one serving per month. Reducing sugar intake and opting for a balanced, low-glycemic index diet can help improve insulin sensitivity and overall reproductive health. Limit sugary foods and high glycemic index foods such as cakes, biscuits, fizzy drinks, energy drinks, sweets, white rice and white bread. Check the labels for high sugar content. 5. Take pregnancy supplements Folic acid Folic acid is an important supplement during pregnancy because it decreases a risk called neural tube defects. This is a defect that can occur during the development of the baby’s brain and spine.  If you are currently trying to become pregnant, it is advised to take at least 400 mcg of folic acid supplement every day for 12 weeks before conception and for at least three months after conceiving. Some people are at an increased risk of their baby having a neural tube defect and so it is advisable to speak with your doctor as they may recommend and prescribe you a higher dose.  Prenatal vitamins Prenatal vitamins typically contain a combination of various vitamins and minerals that are important for both maternal and foetal health. While folic acid is a main component of prenatal vitamins, these vitamins usually contain a range of other nutrients as well.  These include iron, calcium, vitamin D and other essential vitamins and minerals needed to support maternal health and the baby’s development during pregnancy. Tip: More often than not, doctors will suggest taking prenatal vitamins instead of just folic acid supplements because they cover a wider range of needs for both mum and baby’s health. However, it’s essential to consult with your doctor to determine the most appropriate approach for your unique needs.  6. Take Vitamin D for pregnancy  A previous study has shown that both men’s and women’s vitamin D levels impact fertility and IVF results. It showed that Vitamin D supplements reduce risks for mums and babies, might prevent bone problems, and play a role in foetal development.  How much Vitamin D should I take? It’s recommended that all adults at all stages of life should supplement with 10 micrograms a day of Vitamin D, in the UK. This is particularly true if you are trying to conceive, or you are pregnant—so be sure to supplement right through from the preconception period to breastfeeding.  Prenatal vitamins often contain vitamin D, but the amount can vary […]