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. 2024 Jan 16;12(2):240–248. doi: 10.12998/wjcc.v12.i2.240

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©The Author(s) 2024. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Statistical analysis of umbilical artery blood flow ultrasound indices of patients with umbilical artery thrombosis (n = 19) vs non-umbilical artery thrombosis women (n = 19). A: Second trimester vs third trimester; B: Umbilical artery thrombosis (UAT) patients vs non-UAT women. UAT: Umbilical artery thrombosis; S/D: Systolic-diastolic duration ratio; RI: Resistance index; PI: Pulsatility index; PSV: Peak systolic velocity.