The period is also known as menstruation, 41 days after the painless abortion does not come to menstruation, may be again pregnant, endocrine disorders, uterine adhesions and other reasons. 1. Pregnancy again: 41 days after the painless abortion, there are arrangements for coitus, coitus is not good contraceptive measures will have the possibility of pregnancy again, after pregnancy, menstruation will be suspended, this is a physiological phenomenon. 2. Endocrine disorders: painless abortion will have physical and psychological damage to women, the body’s hormone levels are not regulated and balanced, endocrine disorders will disrupt the menstrual cycle, resulting in delayed menstruation. 3. Uterine cavity adhesion: Painless abortion is more damaging to the uterus, causing uterine cavity adhesion after abortion, which can also lead to delayed menstruation. There are many reasons why menstruation does not come after 41 days of painless abortion, so you need to consult a doctor in time to find out the exact cause of the problem.