Real-time scanning and transabdominal fetal blood-sampling.
D000757:Anencephaly / Q000175:diagnosis; D001800:Blood Specimen Collection / Q000379:methods*; D005260:Female; D005312:Fetal Blood / Q000032:analysis*; D006801:Humans; D010920:Placenta / Q000098:blood supply; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014463:Ultrasonography