Meconium-stained amniotic fluid.
D000293:Adolescent; D000328:Adult; D000653:Amniotic Fluid; D005260:Female; D005315:Fetal Diseases / Q000453:epidemiology*; D006801:Humans; D007231:Infant, Newborn; D008470:Meconium; D010414:Pennsylvania; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D011446:Prospective Studies