Labor is just like any other athletic event in that women must prepare both their minds and bodies. However, women are frequently told: “Don’t start an exercise program if you haven’t been exercising.” The misconception here lies in the definition of exercise. Muscle strength, flexibility, relaxation and proper nutrition are the other components of fitness and are vital before, during and after a woman’s twin pregnancy. Learn more about your ad choices. Visit megaphone.fm/adchoices