Ultrasound in the antenatal management of twin gestation.
D000022:Abortion, Spontaneous / Q000175:diagnosis; D000649:Amniocentesis / Q000379:methods; D000650:Amnion / Q000033:anatomy & histology; D002823:Chorion / Q000033:anatomy & histology; D000013:Congenital Abnormalities / Q000175:diagnosis; D036861:Delivery, Obstetric; D004200:Diseases in Twins; D005314:Embryonic and Fetal Development; D005260:Female; D005317:Fetal Growth Retardation / Q000175:diagnosis; D005325:Fetal Organ Maturity; D006801:Humans; D007743:Labor, Obstetric; D008168:Lung / Q000196:embryology; D010929:Placentation; D011247:Pregnancy; D011272:Pregnancy, Multiple; D011296:Prenatal Diagnosis; D014427:Twins; D014428:Twins, Conjoined; D014463:Ultrasonography