The pain in the stomach after intercourse does not mean that you are pregnant, if you need to determine whether you are pregnant, you need to take a blood or urine HCG test. Pain in the abdomen after coitus is mainly related to the stimulation of coitus or the existence of gynecological inflammation, if every time after coitus there will be pain in the abdomen, consider gynecological inflammation, such as pelvic inflammation, adnexitis, endometritis, etc., it is best to go to the hospital to do ultrasound and other related examinations, you can take anti-inflammatory drugs under the guidance of the doctor for treatment. In the physiological situation, if the action abdomen are larger, coitus will also stimulate the uterus, resulting in spasmodic caused by pain. But this pain is often transient, after a short rest after coitus, can be quickly relieved. Normally, it is recommended to pay attention to the hygiene of the perineum, especially before and after sex.