Amniotic fluid filtration and cytology.
D000653:Amniotic Fluid / Q000166:cytology*; D005314:Embryonic and Fetal Development; D005260:Female; D005313:Fetal Death / Q000175:diagnosis; D005374:Filtration; D005865:Gestational Age; D006801:Humans; D007743:Labor, Obstetric; D008722:Methods; D011247:Pregnancy