title: Time determination of the occurrence of meconium staining of amniotic fluid during the last weeks of normal pregnancy.
mesh_terms: D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis; D005260:Female; D005316:Fetal Distress / Q000175:diagnosis*; D005332:Fetoscopy; D006801:Humans; D008470:Meconium / Q000032:analysis; D011247:Pregnancy; D011263:Pregnancy Trimester, Third