Origin of the cells in the liquor amnii.
D000650:Amnion / Q000166:cytology; D000653:Amniotic Fluid / Q000166:cytology*; D002467:Cell Nucleus; D004847:Epithelial Cells; D005260:Female; D005865:Gestational Age; D006801:Humans; D007962:Leukocytes / Q000032:analysis; D009061:Mouth Mucosa / Q000166:cytology; D011247:Pregnancy; D012867:Skin / Q000166:cytology; D014470:Umbilical Cord / Q000166:cytology; D014556:Urine / Q000166:cytology; D014626:Vaginal Smears