How can your thyroid be affecting your fertility? Your thyroid is a butterfly-shaped gland located at the front of your throat. It plays a crucial role in influencing metabolism, temperature, growth, and development, via the production of thyroid hormones. The main thyroid hormones are thyroid stimulating hormone (TSH) thyroxine (T4) and triiodothyronine (T3). Whilst many are aware that the imbalance of these hormones could cause changes in weight and mood,…