If you have a bloated stomach after intercourse, there are often the following clinical reasons: first, due to pelvic inflammation, due to endometriosis caused by pelvic tissue elasticity decreases in the clinical time of intercourse, stimulation will cause lower abdominal bloating. Through gynecological examination, through the ultrasound can make a preliminary diagnosis, and then clinically if there is inflammation actively give anti-inflammatory treatment. If there is endometriosis, if the formation of ovarian chocolate cysts, timely surgical treatment. If you have endometriosis in other parts of the uterus, you can also be treated with a Mannuelle ring. Secondly, because of the uncoordinated contraction of the uterus after coitus, the lower abdomen will be swollen and painful, mainly because of the relatively rough action of sex, which will cause uncoordinated contraction of the uterus, it is recommended to try to be more gentle in the action of sex.