A wonderful conditioning exercise for women of all shapes and sizes, Pilates is now recognized as one of the best overall exercises for the pregnant body as well. A low-impact and relaxing exercise regimen, Pilates doesn't divert blood flow from the growing fetus. As important, Pilates strengthens the abdominal muscles known as the "powerhouse," making it easier for new mothers to recover from childbirth and regain their pre-pregnancy waistline.Working with Dr. Uzzi Reiss, a prominent Los Angeles-based gynecologist and obstetrician, Mari Winsor has developed the first mat-based Pilates...