More on waterbirth.
Ottani
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D001494:Baths; D001783:Blood Flow Velocity; D036861:Delivery, Obstetric / Q000379:methods*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D014469:Umbilical Arteries / Q000502:physiology*; D014471:Umbilical Veins / Q000502:physiology*