Hypothyroidism is short for hypothyroidism, which may affect pregnancy. Typical hypothyroidism patients may present with menstrual disorders, or menorrhagia, infertility, and so on. The onset of hypothyroidism is insidious and the course of the disease is long, and many patients lack specific symptoms and signs. Symptoms of hypothyroidism are mainly characterized by decreased metabolic rate and decreased sympathetic excitability, and early patients with mild disease may have no specific symptoms. In addition to the symptoms mentioned above, hypothyroidism may also cause chills, fatigue, swelling of the hands and feet, drowsiness, memory loss, less sweating, joint pain, weight gain, constipation and other manifestations. Patients with hypothyroidism need to consult a doctor in a timely manner and standardize the treatment under the doctor’s guidance.