Hidden pain in the left side of the abdomen after intercourse, may be a symptom performance caused by pregnancy, or may not be caused by pregnancy, need to judge according to the actual situation, the main reasons are as follows: First, consider the symptoms caused by pregnancy, women’s bodies will be stimulated by pregnancy, the body’s hormone levels will be changed, so it will lead to pain in the abdomen; Secondly, it may be too rough action during sex, sexual intercourse Third, it may be caused by gynecological diseases, such as pelvic inflammatory disease, vaginitis or other malignant neoplastic diseases, which may lead to this symptom. If the pain in the abdomen is severe and lasts for a long time, it is recommended to go to the hospital for a timely examination to determine the physical condition, if the pain is only temporary and the condition is mild, it can be observed for the time being.