 [ Symptoms ] this is my third pregnancy when should i start showing i think i am 8 weeks and my belly looks really big [ Disease ] with my second i started showing around then i am average weight on the lower side and had a almost flat stomach nowhere near a six pack everyone is different though and will show at different times it also depends on you weight and amount of stomach mussel for example a woman with six pack abs and on her third pregnancy would not show for a very long time