Pregnancy stomach beating like a heartbeat is considered to be caused by fetal hiccups, may also be caused by their own abdominal aorta beating. 1. Fetal hiccups, fetal hiccups during pregnancy, hiccups are more regular, so the stomach will appear like a heartbeat symptoms, fetal hiccups are in the constant swallowing of amniotic fluid, for the late birth preparation, is a normal physiological reaction. 2. Abdominal aortic pulsation, during pregnancy due to the pregnant woman’s body metabolism accelerated, the uterus gradually increase in size, may cause pressure on other organs and tissues, so it is easier to feel their abdominal aortic pulsation. If no other abnormalities occur, there is generally no need to be overly nervous. During pregnancy, it is important to go to the labor and delivery clinic on time and seek medical attention if there is any abnormality.