Your age is 41 years. It is 3 years since you had twin delivery. These two factors lead to decrease in tone of the muscles of abdominal wall. To reduce your belly abdominal muscles tone is essential.
Next Steps
You should do basic investigations to know that you can withstand physical exercise. These should include CBC, Blood
sugar,
creatinine and urea, ECG. In addition a check up by a General Physician. If you are fit you should first do low impact aerobic exercise and follow it with exercise for abdominal wall.
Health Tips
Please consult a General Physician for the same.