If the uterus is soft, clinically it is often due to the following reasons: 1. After pregnancy, due to the large increase in estrogen in the body after pregnancy, the uterus becomes locally soft, which is a normal physiological phenomenon. 2. During lactation the uterus will appear relatively soft, and when doing a gynecological examination it will be found that the softness between the uterus and the cervix is particularly good, if you want to have an IUD during lactation or lactation When having an abortion, special attention should be paid to avoid the possibility of uterine perforation, and it is recommended that the negative pressure must be low during the abortion. If there is a persistent lower abdominal pain and a sensation of anal drop after the abortion, it may be caused by internal bleeding from the perforated uterus and it is recommended that a detailed examination must be given.