Patients in the ovulation period after coitus appeared small stomach bloating, may be caused by the following factors: 1, after coitus appeared small stomach bloating is a normal physiological phenomenon, due to the process of coitus, women’s uterus and pelvic tissues around the stimulation of the phenomenon of varying degrees of congestion, so the woman will feel the small stomach bloated feeling, this situation does not need to be treated, 2-3 days will disappear. 2, women in the case of genital infection after intercourse, in the inflammation of the stimulation of the patient will appear in the small stomach with a feeling of distension. 3, may also be women in the coitus, small abdomen due to the lack of warmth, or eat too cold food and other reasons, resulting in the uterus cold and caused by the symptoms. So when women in the ovulation period after intercourse, appeared in the small stomach with a feeling of bloating, should go to the hospital in time for examination, if it is due to disease, should take drugs in time for treatment.