If there is colic in the abdomen after intercourse and you want to vomit, clinically it is often caused by the following reasons: 1. The relatively rough movements during sex cause uncoordinated contractions of the uterus, which can lead to colic in the abdomen and cause gastrointestinal nausea and vomiting due to the stimulation of uterine contractions. 2. The stimulation will cause the cyst to appear incomplete tip torsion, there will be acute lower abdominal pain, this pain is more serious, and there will also be nausea, vomiting. The pain will be relieved by gynecological examination, which often corrects the incomplete torsion of the cyst and suggests early surgery for ovarian cysts.