The sensation of your stomach "beating like a heart" is typically due to feeling the pulse of your abdominal aorta, the large artery that carries blood from your heart to the rest of your body. This is a normal phenomenon and can be more noticeable in certain situations, such as pregnancy, after eating, or when you lie down with your knees raised. During pregnancy, the amount of blood circulating increases, which can make the pulse in your abdomen more apparent. Feeling this pulse does not necessarily mean you are pregnant, but pregnancy is one of several common causes of this sensation. Other causes include increased blood flow to the abdomen after eating or simply lying down in a certain position. However, if this pulsating sensation is accompanied by abdominal pain or other symptoms, it could indicate a more serious condition such as an abdominal aortic aneurysm, which requires medical attention. If there are no other symptoms, it is usually not a cause for concern. If you are wondering if you are pregnant, the sensation of a beating stomach alone is not a reliable indicator. Pregnancy symptoms usually involve missed periods, nausea, breast tenderness, and other signs, not just feeling a pulse in the stomach area.