It usually takes about 30 days to do menstruation, but it depends on the recovery of the mother’s body. After the birth, whether it is a normal birth or a cesarean section, there is a greater damage to the body, the general time for the uterus to return to its normal state is 42 days, so the moon can do 42 days. But in general, the recovery of normal birth is faster, the moon can do about 30 days. During the menstruation period, you should pay attention to proper rest, ensure sleep, eat more nutritious food, eat appropriate meat, fish and shrimp, as well as fresh vegetables and fruits, to help the overall balance of nutrition, to ensure the growth of the uterine lining and ovarian function recovery, to facilitate the overall recovery of the female body. If a woman suffers from hemorrhage or pregnancy complications, such as gestational hypertension or gestational diabetes, or if the woman’s body is weak, the duration of the menstruation period can be extended. In addition, women are not completely bedridden during the menstruation period. As long as there are no contraindications, they can move around and do some recovery exercises.