Abdominal pain during pregnancy can be caused by a variety of conditions, including urinary tract infections, Braxton Hicks contractions, constipation, cramping and gas. See your gynecologist to determine the cause of abdominal discomfort with advice from acertified nurse-midwife in this free video on pregnancy. Expert: Michelle Collins Contact: www.vanderbiltnursemidwives.org Bio: Michelle Collins has more than 20 years of experience in the field of maternal-child health, first as a labor, delivery and pediatric nurse, and currently as a certified nurse-midwife. Filmmaker: Dimitri LaBarge