Mechanics of the first inspiration.
D000653:Amniotic Fluid / Q000378:metabolism; D000818:Animals; D001696:Biomechanical Phenomena; D001826:Body Fluids / Q000502:physiology; D005260:Female; D005333:Fetus / Q000502:physiology; D006801:Humans; D007231:Infant, Newborn; D008168:Lung / Q000196:embryology / Q000502:physiology; D011247:Pregnancy; D011312:Pressure; D012119:Respiration; D013500:Surface Tension