You can have intercourse after 42 days after childbirth. After 42 days after delivery, if the dew is clean, go to the hospital to review the uterus back to normal then you can have sex, it is recommended not to have intercourse too early, because during the month many maternal dew is not clean, if this intercourse is easy to lead to bacterial infection caused by cervicitis, endometritis or pelvic inflammatory disease, which is very unfavorable to women’s health. In addition, some women in the postpartum 42 days after the review ultrasound uterus did not return to normal, especially in the normal birth of some women may have placental residue phenomenon occurs, if the residue is not much, you can give drug treatment, if the residue is more, you may need to perform a clearance operation, if you have sex at this time, may lead to infection. If you have sex at this time, it may lead to infection. For the time being, it is recommended to wait until three months after giving birth. Some couples, because they are tired during breastfeeding, have very few intercourse, or even no intercourse for a long time, which is not particularly recommended, because intercourse during breastfeeding can gradually restore the couple’s feelings from cold to the right track, which is conducive to the maintenance of the couple’s feelings. And a long time without a room may produce family problems. After a breastfeeding woman has intercourse, the hormone levels may be affected, which may lead to a reduction in breast milk, and this needs to be noted.