You have not mentioned your height. I need that information. Have you been investigated for PCOD & hypothyroidism? These 2 conditions need to be rule out first.
Next Steps
Please get yourself examined for the pain in abdomen.
Only then resume your workout after your doctor's advise.
Ask the examining physician to advice you the best form of work out ( considering the pain)
Health Tips
Hope you are eating small but frequent meals.
Strictly avoid junk, deep fried food.
Do not eat when stressed.
it's best to get a proper diet depending on what your lifestyle & preference are.