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Obstetrics & Gynecology:
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Transvaginal Sonographic Detection of the Pseudogestational Sac Associated With Ectopic Pregnancy.

HILL, LYNDON M. MD; KISLAK, SANDRA RDMS; MARTIN, JERRY G. MD

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Abstract

Fifty-seven of 261 patients (21.8%) referred with a presumptive diagnosis of an ectopic gestation had an extrauterine pregnancy. Five of the 57 ectopic pregnancies (8.8%) had a pseudogestational sac on transvaginal sonography. In four of these five cases, a single [beta]-hCG level had been obtained and did not help in differentiating an ectopic gestation from an early intrauterine pregnancy. A thorough assessment of the adnexa and cul-de-sac should be performed if a patient suspected of having an ectopic pregnancy has an apparent intrauterine gestational sac without a normal yolk sac or without detectable fetal cardiac activity.

(C) 1990 The American College of Obstetricians and Gynecologists

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