Induced abortion is an artificial termination of pregnancy, which has an effect on the reproductive endocrine axis, so it is possible to have a prolonged menstrual period when you have your first menstrual period, which is mainly caused by the possibility of not having normal ovulation or abnormal follicular development. In this case, you can observe for the time being, and most of them will be cleared within 10 days. After abortion, it takes about 2-3 months for menstruation to return to normal. If the menstrual period is still prolonged beyond 3 months, it is not normal, it may be caused by endocrine disorders, or it may be caused by adhesions in the uterine cavity after the abortion, and the menstrual blood does not flow smoothly, you need to go to the hospital in time for examination.