[Prognostic value of ultrasonic study in threatened abortion].
D000033:Abortion, Threatened / Q000175:diagnosis*; D005260:Female; D005318:Fetal Heart; D006801:Humans; D011247:Pregnancy; D011379:Prognosis; D014463:Ultrasonography
Den prognostiske vaerdi af ultralydundersøgelse ved truende abort.