[Comparison of "shake test" and amniotic fluid optical density in the assessment of fetal maturity (author's transl)].
D000653:Amniotic Fluid; D003720:Densitometry / Q000379:methods; D005260:Female; D005333:Fetus / Q000502:physiology*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis