title: Relationship of spectrophotometric analysis of amniotic fluid to the onset of spontaneous labor.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D001724:Birth Weight; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007567:Jaundice, Neonatal / Q000097:blood; D007743:Labor, Obstetric; D011247:Pregnancy; D013053:Spectrophotometry