It is better not to have intercourse after one day of menstruation, and wait for 3 days after menstruation is completely clean before having intercourse.
Menstruation is a normal physiological phenomenon for women. During menstruation, because the body needs to discharge menstrual blood, the mouth of the uterus will be in the open state, it is forbidden to have sex, to avoid bacteria into the cause of various gynecological diseases, but also may lead to increased menstrual flow, prolonged menstrual cycle or dysmenorrhea occurs.
Also at the end of the period when the endometrium is not completely repaired, not completely closed, also prone to the above situation. Therefore, it is best not to have intercourse after the first day of menstruation, and wait for 3 days after the menstruation is completely clean before having intercourse.
During menstruation, we should pay attention to good life care, pay attention to proper rest, no strenuous exercise, eat a balanced diet. If there is any discomfort, it is recommended to go to the hospital in time.