A woman with a feeling of falling in the belly may be caused by physiological phenomena, but also may be caused by gynecological inflammation, contraceptive rings, urinary system and other factors. 1. Physiological phenomena: the occurrence of sexual intercourse or the feeling of falling in the abdomen during a woman’s menstrual period. 2. Gynecological inflammation: including vaginitis, cervicitis, endometritis, pelvic inflammatory disease, etc., may lead to a feeling of falling and swelling in the abdomen. 3. Contraceptive ring: after a woman puts on the contraceptive ring, because the first time to the contraceptive ring feel uncomfortable, may also cause small abdominal swelling discomfort. 4. Urological diseases: the sudden appearance of abdominal distension symptoms, as well as frequent urination with pain, most of the bladder infection, urethritis and other diseases caused. If a woman’s abdominal distension symptoms are not relieved, or accompanied by other symptoms, you should go to the hospital in a timely manner, after a clear reason to give targeted treatment.