Physical activity not only trains the body. During exercise produced happy hormones - endorphins. And the confidence that even during pregnancy and immediately after you save a great figure and posture. Activity can be any dancing or walking, water aerobics or yoga class. In search of a suitable training you guided by its own temperament, but if it tells you that a good idea to lie on the couch, cheat it and go for a walk.
If you feel stress and tension, just breathe: make a slow breath in through your nose, hold your breath for a few moments and then exhale slowly through your mouth. After five minutes of this breathing exercises brain automatically goes into "idle mode".