Human foetal breathing in utero.
D000818:Animals; D005260:Female; D005313:Fetal Death; D005333:Fetus / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D007743:Labor, Obstetric; D009068:Movement; D009119:Muscle Contraction; D011247:Pregnancy; D012119:Respiration; D012756:Sheep; D013997:Time Factors; D014465:Ultrasonics; D014599:Uterus / Q000502:physiology