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The mid-trimester placenta previa: a prospective follow-up.

Authors
  • Ancona, S1
  • Chatterjee, M
  • Rhee, I
  • Sicurenza, B
  • 1 Department of Obstetrics and Gynecology, Catholic Medical Center of Brooklyn and Queens, New York, NY.
Type
Published Article
Journal
European Journal of Radiology
Publisher
Elsevier
Publication Date
Jan 01, 1990
Volume
10
Issue
3
Pages
215–216
Identifiers
PMID: 2192886
Source
Medline
License
Unknown

Abstract

One hundred and fifty-six mid-trimester sonograms were performed at our prenatal diagnostic unit. Twenty women were found to have a low-lying placenta or placenta previa and were followed by serial ultrasound examinations to observe changes in placental position. Eighty percent of women, i.e., 16/20, with a low-lying placenta had converted to normal implantation by the time of delivery. Most of the conversions had taken place at approx. 34 weeks of gestation. The patients with mid-trimester low-lying placenta had an increased risk of third-trimester bleeding, abruptio placentae and cesarean sections. The infants were also at risk of premature delivery. Patients with mid-trimester low-lying or placenta previa should be followed by ultrasound to monitor delivery.

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