Routine realtime ultrasound in a private obstetric office.
D001946:Breech Presentation; D000013:Congenital Abnormalities / Q000175:diagnosis*; D005260:Female; D006801:Humans; D007746:Labor Presentation; D008297:Male; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D012732:Sex Determination Analysis; D014463:Ultrasonography