During pregnancy, placental hormones (including human chorionic gonadotropin (hCG), growth hormone (GH), prolactin, and melatonin) exert effects on the maternal thymus.
Thyroid stimulating hormone (TSH) regulates thyroid function by signaling the thyroid to produce more hormones, and TSH levels increase when iodine is low.4. Immune and Hormonal Regulation. Pregnancy requires an extremely precise hormonal balance.

During pregnancy, the body undergoes various hormonal changes that can affect the thyroid hormones, potentially leading to complications if not managed properly. Hypothyroidism is when the thyroid hormones are produced at low levels.

IntroductionMaternal thyroid hormone homeostasis during early gestation is fundamental for fetal growth and development, yet the specific clinical implicatio...
