If you have pain in the lower abdomen during sex, it can be attributed to the following reasons: 1. too rough intercourse, stimulating the nerves of the pelvic organs, which can easily cause pain. 2. if you have chronic pelvic inflammatory disease, it can aggravate pelvic congestion during sex, so it can also easily cause pain in the lower abdomen. 3. pelvic endometriosis, because of ectopic foci, can also pull the nerves of the pelvic organs during intercourse, causing pain. Therefore, if there is pain in the lower abdomen after intercourse, you should go to a hospital gynecology clinic as soon as possible to understand the cause of the pain and clarify the specific situation before you can take the next step of medication, and at the same time, pay attention to avoid intercourse for a period of time. Women should usually pay attention to the hygiene of intercourse, avoid intercourse during menstruation, and pay attention to the frequency of sexual life should not be too frequent, as well as the action should not be too rough.