Am 39yr old, 2kids mommy. both c section delivery. I hv L3 L4 disc problem so I can't do hard exercises. but I do exercises relate to disc on bed and simple exercises in standing position. morning I don't have big belly.. but after eating I feel my stomach is big and looks like same. wt is the reason how to tighten my belly. 6yrs over after second delivery. Am 5' and weighs 54kg