Women who had a cesarean section have a large uterus after delivery, and it takes some time for the dew to return to normal, generally 42 days after delivery, the uterus can return to normal, it is recommended not to get an IUD too early, it is generally recommended to consider getting an IUD six months after delivery. IUD is a contraceptive method chosen by many women, mainly through a foreign body to make the endometrium mild chronic inflammatory reaction, to prevent the implantation of pregnant eggs, normal women can be considered in three to seven days after menstruation, do not have intercourse, no vaginitis and other gynecological inflammation, you can consider the IUD, and for women who had a caesarean section, it is recommended to consider the IUD six months after delivery, because at this time the uterus recovers better, the body condition is also However, it is important to take contraceptive measures during breastfeeding to avoid pregnancy, because many women do not have their periods during breastfeeding, but they may ovulate, which can lead to unwanted pregnancy. In conclusion, it is recommended that women who had a cesarean section should consider pregnancy half a year after delivery, but if you are breastfeeding after delivery and do not have a period, you should exclude the possibility of pregnancy before getting an IUD, and if time allows, it is better to wait for a normal period and consider getting an IUD three to seven days after your period is clean, to avoid accidental pregnancy while breastfeeding and getting an IUD. After IUI, pay attention to rest, do not have intercourse for half a month, pay attention to regular review of the ring position, and also be alert to conception with the ring.