title: The quantity of viable cells at various stages of gestation.
mesh_terms: D000653:Amniotic Fluid / Q000166:cytology*; D002452:Cell Count; D002470:Cell Survival; D002478:Cells, Cultured; D003470:Culture Media; D005260:Female; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014343:Trypan Blue
chemical_list: D003470:Culture Media; D014343:Trypan Blue