Obstetric and gynecologic applications of ultrasound.
D000013:Congenital Abnormalities / Q000175:diagnosis; D003560:Cysts / Q000175:diagnosis; D005260:Female; D005313:Fetal Death / Q000175:diagnosis; D005831:Genital Diseases, Female / Q000175:diagnosis*; D005833:Genital Neoplasms, Female / Q000175:diagnosis; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011271:Pregnancy, Ectopic / Q000175:diagnosis; D014463:Ultrasonography