I have started a diet On my 4th week of

Patient: I have started a diet. On my 4th week of a 1200 calories. Previously ate not very healthy. Drive thrus fatty foods. Bm’s have been hard – soft. but have increased my water and fruit and veggies. I am having sharp pains in my upper abdomen. They come and go. Is it gas or intestine learning how to work again. I am obese over 130 lbs of weigh to lose. Thank you

Doctor: