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Updated: Aug 15, 2026

A Novel Use of Three-dimensional High-frequency Ultrasonography for Early Pregnancy Characterization in the Mouse
07:04

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Published on: October 24, 2017

[Detection of uterine scar defect during pregnancy by ultrasonics]

T Z Yang1, W Z Li

  • 1Second Affiliated Hospital, West China University of Medical Science, Chengdu.

Zhonghua Fu Chan Ke Za Zhi
|August 1, 1994
PubMed

B type ultrasonography was used to observe the formation of lower uterine segment in 71 primigravide and the status of lower uterine segment scar in 31 multiparae with previous cesarean section (CS), from the 33 to 41 gestational week. Results showed that the lower uterine segments was formed in all 102 cases after the 33rd week. Compared with the primigravide, the lower uterine segment in the CS group was longer, thinner and not as wide after the 37th gestational week. Defective scars of the lower uterine segment were found in 7 cases of the CS group and 2 of them were diagnosed as threatened dehiscence owing to the fetal sac protruding from the scar site. Condition of all these cases were confirmed during operation. The present study suggested that B ultrasonic scar can be a helpful and noninvasive method for detecting scar defect in the lower uterine segment following CS.

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