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ANDERSON STEPHEN G. MD FACOG
Obstetrics & Gynecology: March 1978
Real-Time Sonography in Obstetrics: PDF Only
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Three hundred fifty real-time scans were performed on pregnant women for various indications. Placental localization was satisfactorily obtained in 173 of 174 studies. Estimates of fetal gestation from directly measured biparietal diameter were ±2 weeks of actual gestation in 153 of 172 (88.9%) measurements. The presence or absence of fetal motion and cardiac activity established a diagnosis of fetal viability or fetal death in 32 patients after the first trimester. Accurate diagnosis was made in 52 of 57 patients with threatened abortions, and two of these errors occurred in scans performed before completion of the eighth postmenstrual week. Because of the ability to demostrate fetal motion, real-time sonography should have many applications in obstetrics.

Submitted for publication August 23, 1977.

© 1978 The American College of Obstetricians and Gynecologists