Amniotic fluid osmolality.
D000653:Amniotic Fluid; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D009994:Osmolar Concentration; D010922:Placenta Diseases / Q000175:diagnosis; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D013053:Spectrophotometry