As your breasts and belly grow, you're prone to neck and shoulder pain. The following moves help prevent or ease this by increasing upper-body strength and flexibility.
3b. Arm Openings
Lie on your left side with pillows under your head and belly for support. Bend your knees and extend your arms in front of your chest with palms together. Inhale and relax your head and shoulders [3A]. Exhale as you lift your right arm toward the ceiling, then reach behind you as you turn your head [3B]. Return to starting position; repeat 5 times. Switch sides for another 5 reps.