• Categories:College of Diagnostics
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• Time of issue:2021-09-09
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(Summary description)
The second trimester generally refers to the period from 14 weeks to 27 weekends of pregnancy. In the second trimester, because the placenta has formed, the fetus has entered a relatively safe stage. However, the abnormality of some test indicators in the second trimester is often a predictor of adverse pregnancy outcomes.

In this issue, let’s talk about the relationship between uterine artery Doppler ultrasound in the second trimester (including uterine artery resistance index RI, uterine artery pulsatility index PI, uterine artery early diastolic notch) and adverse pregnancy outcomes.