The most obvious symptoms of hypothyroidism in women, namely irregular menstruation, infertility and other idiosyncratic manifestations. The presence of hypothyroidism in pregnant women not only has an impact on themselves, but may also affect the development of the fetus. Of course, there are also general symptoms of hypothyroidism, such as cold and fear of cold, goiter, etc.1. Specific manifestations: Patients may have abnormal menstruation and lactation, often with increased menstruation and prolonged periods, and some women may also have reduced menstruation or even amenorrhea. In addition, hypothyroidism is a chronic metabolic disease that can lead to a decrease in female reproductive function, such as years of infertility. If hypothyroidism occurs during pregnancy, it will affect the intellectual and physical development of the fetus in the womb, and the chance of fetal cretinism is higher; 2. General manifestations: The common general manifestations of hypothyroidism patients are fear of cold, weakness, fatigue, drowsiness, slow movement, memory, attention and calculation power are somewhat reduced, and they may not be able to perform normal work and study. The skin is rough and white, the hair tends to fall out, the nails grow slowly, thick and brittle, the voice is low and the weight increases. In addition, patients with hypothyroidism may have swollen neck, some lumps in the thyroid area, and some patients may have slowed breathing, slower heart rate, decreased blood pressure, anemia, or digestive symptoms such as anorexia, bloating, and constipation.