Estimation of fetal maturity by amniotic fluid cytology.
D000653:Amniotic Fluid / Q000166:cytology*; D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006801:Humans; D008722:Methods; D011247:Pregnancy; D012627:Sebaceous Glands / Q000196:embryology; D013194:Staining and Labeling