The feeling of falling stomach in late pregnancy may be caused by uterine enlargement, uterine contraction, gynecological diseases and other reasons. 1. Enlargement of the uterus: the feeling of falling stomach in late pregnancy may be caused by the gradual enlargement of the uterus and the fetus, which presses the body and gives the feeling of falling stomach. 2. Uterine contraction: the head of the fetus will gradually fall into the pelvis in late pregnancy, stimulating the shortening of the cervical canal, the cervical opening, and inducing regular uterine contractions, with the increase of the pregnancy weeks, there will be a feeling of falling stomach. 3. Gynecological diseases: patients with vaginitis and pelvic inflammatory disease in late pregnancy may have a feeling of falling stomach. Vaginitis is an inflammatory disease caused by bacteria attacking the vagina, which will cause a feeling of falling stomach. Pelvic inflammatory diseases can cause pelvic congestion and edema, and pregnant women may also experience a feeling of falling stomach. There are more reasons for the feeling of falling stomach in late pregnancy, accompanied by other discomforts, it is recommended to consult a doctor in time.