If menstruation comes twice a month, it is considered to be caused by ovulation bleeding, you can start taking oral supplement Jiale on the 12th day of menstruation, take it once a day, take 1 tablet at a time, take it for 7 consecutive days, and then stop taking it. Because bleeding during ovulation is mainly due to the temporary decline of estrogen and progesterone, which causes the endometrium to lose the support of estrogen and progesterone, and retreating bleeding occurs. This kind of withdrawal bleeding, in the clinic, is usually 3-5 days will be clean by itself. As bleeding during ovulation, it is impossible to have sex during ovulation to avoid the possibility of infertility, so it is clinically necessary to give intervention.