Two menstruation 15 days apart, if it is irregular menstruation, you can take short-acting contraceptive pills and other treatments, if it is ovulation bleeding, take progesterone drugs, etc., need to be specifically analyzed. 1. irregular menstruation: two menstruation 15 days apart may be endocrine disorders caused by irregular menstruation, the need for hormonal adjustment, you can take oral short-acting contraceptives, such as compound levonorgestrel and other drugs. 2. Ovulation bleeding: two menstruation 15 days apart may be ovulation bleeding, if the bleeding is not much, do not need medication, if the bleeding is more in the doctor’s guidance to eat progesterone drugs, such as clomiphene, etc., to improve the quality of follicles, so as to play a role in the treatment of ovulation bleeding. Two menstrual periods 15 days apart, you need to go to the hospital for examination, clear diagnosis, under the guidance of the doctor for treatment, and at the same time do not unauthorized use of medication to prevent triggering adverse consequences.