During the administration of dydrogesterone tablets, coitus is generally allowed, and the specific medication should follow the doctor’s instructions. Dydrogesterone tablets is a kind of oral progesterone drug, the indications for the use of the drug are premenstrual syndrome, irregular menstrual cycle, dysmenorrhea, secondary amenorrhea, infertility caused by luteal insufficiency, progesterone deficiency caused by aura or habitual miscarriage, endometriosis, dysfunctional uterine bleeding, and other endogenous progesterone insufficiency caused by a variety of diseases. The drug does not explicitly limit the contraindication of coitus during use. Adverse reactions such as migraine or headache, nausea, menstrual disorders, breast sensitivity or pain are common after use of the drug. Contraindications to the use of the drug include hypersensitivity to the product, severe hepatic dysfunction, unexplained vaginal bleeding, known or suspected progesterone-dependent or sex hormone-related malignancies, pregnancy or the application of sex hormones can occur or exacerbate the occurrence of severe pruritis, obstructive jaundice and other conditions, and those with galactose intolerance. The specific use of dydrogesterone tablets should be carried out under the guidance of a physician, and should not be used without authorization.