Value of endometrial peristalsis analysis technique in detecting and analyzing endometrial peristalsis features

doi:10.4329/wjr.v17.i9.111215

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World Journal of Radiology

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1949-8470

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Radiol. Sep 28, 2025; 17(9): 111215
Published online Sep 28, 2025. doi: 10.4329/wjr.v17.i9.111215

Value of endometrial peristalsis analysis technique in detecting and analyzing endometrial peristalsis features

Hui-Ping Zhang, Miao-Ling Chen, Sheng-Lin Xue, Jie Zou, Jing-Jing Wu, Yu-Qing Zhou

Hui-Ping Zhang, Miao-Ling Chen, Sheng-Lin Xue, Jie Zou, Jing-Jing Wu, Yu-Qing Zhou, Department of Ultrasound, Shanghai Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai 200050, China

Author contributions: Zhang HP and Zhou YQ designed the study; Chen ML performed all the ultrasound examinations; Xue SL, Wu JJ and Zou J collected data and performed statistical analysis; Zhang HP wrote the manuscript and all the other co-authors edited the manuscript. All authors have read and approved the final manuscript.

Supported by Natural Science Foundation of Shanghai, China, No. 22ZR1458200; Medical PhD Innovative Talent Base Project of Changning District, Shanghai, China, No. RCJD2021B09; and Key Specialty of Changning District, Shanghai, China, No. 20231004.

Institutional review board statement: This was an observational cross-sectional study. The study was approved by our hospital’s Ethics Committee (CNFBLLAR 2023-009).

Informed consent statement: Written informed consent was obtained from each patient before ultrasound examination.

Conflict-of-interest statement: All the authors report no relevant conflicts of interest for this article.

STROBE statement: The authors have read the STROBE Statement-checklist of items, and the manuscript was prepared and revised according to the STROBE Statement-checklist of items.

Data sharing statement: The data that support the findings of this study are available from the corresponding author upon reasonable request.

Open Access: 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. See: https://creativecommons.org/Licenses/by-nc/4.0/

Corresponding author: Yu-Qing Zhou, MD, Professor, Department of Ultrasound, Shanghai Changning Maternity and Infant Health Hospital, East China Normal University, No. 786 Yuyuan Road, Shanghai 200050, China. doczhou@qq.com

Received: July 4, 2025
Revised: July 31, 2025
Accepted: August 14, 2025
Published online: September 28, 2025
Processing time: 84 Days and 1.8 Hours

Abstract

BACKGROUND

Endometrial peristalsis (EmP) has been considered as a new indicator for evaluating endometrial receptivity and is associated with embryo implantation rate and successful pregnancy rate. However, EmP remains understudied, inconsistently measured, and poorly understood. New methods are needed urgently for better clinical practice.

AIM

To explore the value of EmP analysis (EmPA) technique in detecting and analyzing EmP features automatically and quantitatively.

METHODS

One hundred and forty-five patients without abnormal findings on conventional transvaginal ultrasound were included in this study. A mid sagittal plane of uterus was recorded for 2 minutes in each patient and EmP features were analyzed using EmPA technique. EmP features in 50 patients were also analyzed by naked eyes analysis and the results of two methods were compared.

RESULTS

EmPA was unsuccessful in 9 patients (9/145, 6.21%) due to the interference of respiratory or intestinal movement and was successful in 136 patients (136/145, 93.79%), of whom 21 patients showed no EmP and 115 patients underwent EmPA and obtained quantitative results. The results of EmPA technique and naked eyes analysis about EmP intensity and transfer time had no significant consistence. Menstrual cycle, uterine position and history of induced abortion affected the quantitative results of EmPA.

CONCLUSION

EmPA technique provides noninvasive, quantitative and accurate detection and analysis of EmP in normal population and can evaluate EmP changes associated with menstrual cycle, uterine position and history of induced abortion.

Keywords: Ultrasound; Quantitative evaluation; Uterus; Endometrial; Peristalsis; Menstrual cycle

Core Tip: Endometrial peristalsis analysis (EmPA) is the first automated and quantitative technique applied in the ultrasound system to detect and analyze endometrial peristalsis (EmP) features. In this study, EmPA technique was used to analyze EmP accurately and evaluate the changes of EmP associated with menstrual cycle and other factors such as uterine position and age.