The sonolucent placenta in high-risk obstetrics.

Abstract:

:Placental sonolucency has been reported to be a normal sonographic finding after 36 weeks' gestation. To further characterize this acoustic phenomenon, 15 placentas from previously scanned high-risk obstetric patients were studied in vitro. Placentas were obtained at delivery, and were washed, weighed, sonographically imaged in a water bath, x-rayed by xerography, and pathologically examined. Placental sonolucency occurred as early as 31 weeks' gestation and corresponded anatomically to cotyledons. The degree of septal calcification appeared to correlate best with the degree of sonolucency, and no unusual gross or microscopic placental features could be identified. Intrauterine growth retardation or intrauterine fetal death occurred in 8 of the 10 patients in whom there were sonolucent changes.

journal_name

Obstet Gynecol

authors

Haney AF,Trought WS

subject

Has Abstract

pub_date

1980-01-01 00:00:00

pages

38-41

issue

1

eissn

0029-7844

issn

1873-233X

journal_volume

55

pub_type

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