After giving birth to a child it is generally recommended to have sex only after 42 days of postnatal review. After the birth of a child, generally 42 days after delivery to the hospital to routinely do a checkup to see the recovery of the uterus after delivery, if the uterus is back to normal, the nightmare has been clean, it is possible to have sex. However, it is not recommended to have intercourse within 42 days after childbirth, because most women need some time to clean their dew after childbirth, and their bodies need some time to recover, so if you have sex too early, it will easily lead to bacterial infection and thus cause gynecological inflammation, such as vaginitis, endometritis or pelvic inflammatory disease, etc. Once infected with these gynecological diseases, it is very bad for women’s health, and will easily cause long-term recurrent Once infected with these gynecological diseases, it is very detrimental to women’s health and may cause long-term recurrent abdominal pain or lead to infertility or even ectopic pregnancy. In addition, some women after childbirth, especially in the normal birth, some months the dew repeatedly does not clean, ultrasound may suggest that the placenta residue, some need to clear the uterus treatment, if premature sex affects the clean dew, but also affect the recovery of the uterus, for the later clearance is not good. In short, after the birth of a child, at least 42 days after the birth can have sex, if too early sex is easy to cause gynecological infections.