Hyperthyroidism may affect menstruation. Hyperthyroidism mostly causes abnormalities in the reproductive system, which can lead to irregular menstruation or abnormalities in ovulation that can affect pregnancy. Hyperthyroidism is a disease caused by overproduction of thyroid hormones, which leads to metabolic hyperactivity in the body. It also causes abnormalities in the reproductive system, which can affect a woman’s menstruation and ovulation, leading to irregular menstruation and abnormal ovulation. Therefore, hyperthyroidism can affect menstruation. If you want to get pregnant, it is better to treat hyperthyroidism first, and hyperthyroidism patients may have miscarriages and preterm deliveries when they get pregnant. Hyperthyroidism not only affects menstruation, but also affects the heart, and other physical symptoms, such as weight loss, panic, fear of heat, etc., diagnosed with the disease should be treated in a timely manner.