Answer: Hi.. Dear abdominal pain is caused by the stretching of the ligament that supports the uterus, as the uterus grows. This is normal, therefore, do not worry, try using Maternity pillow. However, gas and bloating can also be the reason. Sit down, put your feet up and relax.. Keep yourself hydrated (drink lot of fluids). Whenever, you will next visit your gynaecologist, inform her about the same.