The reason for feeling stomach drop in pregnancy is different in different trimesters. Early pregnancy may be the precursor of miscarriage, ectopic pregnancy, etc.; mid-pregnancy is caused by the growth of the uterus; late pregnancy may be prenatal symptoms. 1. Early pregnancy: pregnant feeling stomach drop need to go to the hospital in time to take blood tests HCG and progesterone, need to clarify whether it is a precursor to miscarriage, if abnormal need to rest in bed. 2. Middle and late pregnancy: when the fetus moves and touches the uterine wall, false contractions may be formed and cause the stomach to fall, if there is no abdominal pain, vaginal bleeding and other symptoms, it is generally a normal phenomenon. 3. Late pregnancy: When the fetus starts to enter the pelvis in the ninth month of pregnancy, there may be a falling stomach. If you have a full-term delivery, this symptom is a prenatal symptom, and you need to go to the hospital in time to confirm the diagnosis and be hospitalized for delivery. Therefore, pregnant feeling stomach falling need to go to the hospital in time to clarify the diagnosis, under the guidance of the doctor to deal with.