Generally, after 42 days of postpartum review, the reproductive system can have sexual life after it has returned to normal. Generally, the puerperium (6-8 weeks after delivery) is the period when the changes of the whole body systems gradually return to the pre-pregnancy state during the 9 months of pregnancy, especially the repair of the vagina, cervix and endometrium has not yet returned to the pre-pregnancy state, so you should not have intercourse! Premature intercourse is likely to cause gynecological diseases and increase bacterial upstream infection causing vaginitis, endometritis, pelvic inflammatory disease, etc. If not treated in a timely manner, it will easily become chronic gynecological inflammation. The man should understand the woman, after all, the woman’s body needs to return to its prenatal state during the menstruation period, and also breastfeeding, in fact, women do not have much energy and sexual desire. In addition, postpartum if breastfeeding women, generally will not menstruate, but there is still ovulation may be, so 42 days after delivery review if the uterus is back to normal, malaria due to clean, although you can have intercourse, but pay attention to take safe and effective contraceptive measures, after all, there is still the possibility of unintended pregnancy. And during intercourse, the male partner must not act roughly, some women in normal labor will perform perineal lateral incision in the process of delivery, rough action may cause bleeding or lead to re-rupture of the suture, and cesarean section women incision has not healed, more to prevent abdominal pressure. In short, you can have sex after the reproductive system has returned to normal after 42 days after delivery, but you still need to pay a little attention.