Back pain during pregnancy.
D001416:Back Pain / Q000517:prevention & control*; D005081:Exercise Therapy / Q000379:methods*; D005260:Female; D015438:Health Behavior; D006801:Humans; D011187:Posture; D011247:Pregnancy; D011248:Pregnancy Complications / Q000517:prevention & control*; D012585:Sciatica / Q000517:prevention & control