The clinical use of pulsed echo ultrasound in obstetrics and gynecology.
D005314:Embryonic and Fetal Development; D005260:Female; D005313:Fetal Death / Q000175:diagnosis; D005333:Fetus / Q000002:abnormalities; D005831:Genital Diseases, Female / Q000175:diagnosis*; D005833:Genital Neoplasms, Female / Q000175:diagnosis; D006801:Humans; D006828:Hydatidiform Mole / Q000175:diagnosis; D010048:Ovarian Cysts / Q000175:diagnosis; D010920:Placenta; D011247:Pregnancy; D011258:Pregnancy Tests; D011272:Pregnancy, Multiple; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography