Technical advances in obstetrics.
D000649:Amniocentesis; D001774:Blood Chemical Analysis; D000013:Congenital Abnormalities / Q000175:diagnosis; D036861:Delivery, Obstetric; D005260:Female; D005323:Fetal Monitoring; D005332:Fetoscopy; D006801:Humans; D009774:Obstetrics / Q000379:methods*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis; D012306:Risk; D014463:Ultrasonography