A pregnancy calendar represents the progression of the fetus on a weekly or monthly basis. Learn about the various stages of pregnancy with health information from a practicing gynecologist in this free video on pregnancy. Expert: Simion Tsinker Contact: www.browardobgyn.com Bio: Dr. Simion Tsinker has been In private practice in OB/GYN since 1982 in Plantation, Florida. Filmmaker: Paul Muller