The influence of fetal sex upon liquor cytology as a means of estimating gestational age.
D000653:Amniotic Fluid / Q000166:cytology*; D002452:Cell Count; D005260:Female; D005333:Fetus; D005865:Gestational Age; D006801:Humans; D008297:Male; D011247:Pregnancy; D012732:Sex Determination Analysis