Prediction of early pregnancy failure on the basis of mean gestational sac size and absence of a sonographically demonstrable yolk sac.
Levi
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CS
D005321:Extraembryonic Membranes / Q000000981:diagnostic imaging*; D005260:Female; D005313:Fetal Death / Q000000981:diagnostic imaging*; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal; D015017:Yolk Sac / Q000000981:diagnostic imaging*