Real-time ultrasound guidance of fetal manipulation during genetic amniocentesis.
D000649:Amniocentesis / Q000379:methods*; D005260:Female; D005820:Genetic Testing / Q000379:methods*; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods*; D014463:Ultrasonography