Women can take progesterone tablets for regulation and treatment if they have irregular menstruation, amenorrhea, or signs of pre-eclampsia after pregnancy. Its side effects include irregular vaginal bleeding, weight gain, increased cervical discharge or cervical squamous epithelial lesions, dizziness, headache, nausea, insomnia, chloasma, damage to liver and kidney function, local skin pigmentation and many other side effects. Although progesterone is a natural progesterone hormone secreted by the ovaries of women, there are many reasons why progesterone secretion may be insufficient. Low progesterone may cause low menstrual flow, amenorrhea, prolonged menstrual cycle and a series of other phenomena during the non-pregnant period, which can be effectively reduced by taking progesterone tablets, and because of its side effects, it is necessary to stop taking the drug after the symptoms improve. If the progesterone is low after pregnancy, then it can cause serious consequences such as pre-eclampsia miscarriage and embryonic arrest, so it can also be treated by taking progesterone tablets to preserve the fetus, but the progesterone value should be tested regularly while taking the drug.