Usually, patients can take oral short-acting contraceptive pills or progesterone to delay menstruation as prescribed by the doctor. However, it is not recommended to take drugs to delay menstruation, which may lead to menstrual disorders, irregular menstruation and other adverse consequences. 1. Short-acting contraceptive pills: start taking them from the first day of menstruation and take them until the day you want to have your period. Short-acting contraceptives contain progesterone and estrogen, which can achieve the effect of not peeling off the uterine lining as a way to delay menstruation. However, nausea, fatigue, drowsiness, headache, breast tenderness and other symptoms may occur when taking short-acting birth control pills. 2. Progesterone: Oral progesterone is taken continuously for 5 days, and menstruation usually occurs 3 days after stopping the pill. Progesterone is a natural progesterone, can make the uterine lining growth, so as to achieve the effect of delaying the menstrual period, but can not be delayed indefinitely down, generally up to 10 days delay. Adverse effects of progesterone are mainly nausea, dizziness, headache, and even allergy in some patients. Warm tips, non-essential circumstances do not recommend oral medication to delay menstruation, when oral medication to delay menstruation after the discomfort, please consult a doctor in a timely manner, and actively comply with the doctor’s instructions for treatment, so as not to delay the condition.