Predicting pregnancy failure in 'empty' gestational sacs.
Nyberg
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DA
Scottsdale Medical Imaging Ltd, PO Box 1573, Scottsdale, AZ 85252, USA. nyberg@u.washington.edu
Filly
R A
RA
D000022:Abortion, Spontaneous / Q000000981:diagnostic imaging*; D005314:Embryonic and Fetal Development; D005260:Female; D006801:Humans; D011237:Predictive Value of Tests; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D012016:Reference Values; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal / Q000592:standards*