Sit on the chair with your feet flat on the floor and your shoulders back and down. Clasp your hands behind your head, elbows bent and palms facing forward. Lift your chest, lengthen your spine and pull your abdominal muscles in.
Hold for 30 seconds.
Sometime between 16 and 22 weeks, you'll start to feel your baby move.
Keep track of your baby's development each week. Personalize your calendar by entering (or calculating) your due date* below.