The time of menstruation after giving birth varies from person to person. If a woman is breastfeeding, she may not have menstruation during the whole period of breastfeeding, and she will have menstruation in 1~3 months after she stops breastfeeding, and if she is not breastfeeding, it is normal for her to have menstruation in 1~2 months. After giving birth to a child, if a woman is breastfeeding, the secretion of lactogen will temporarily inhibit the ovarian function, resulting in menstruation, which is a normal phenomenon, usually throughout the period of breastfeeding may not come to menstruation, after stopping breastfeeding the ovarian function will gradually recover, so that about 1~3 months menstruation will return to normal. If a woman is not breastfeeding after giving birth to a child, her period will usually return to normal after her body recovers, which is about 1~2 months. After giving birth to a child, women should rest more, can not be tired, at the same time, pay attention to balanced nutrition, do not favor picky food, if not breastfeeding women or women after stopping breastfeeding for a long time did not come to menstruation, it is recommended to go to the regular hospital to do a checkup, a clear diagnosis, and then targeted to regulate.