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Effects of Obstetric Anal Sphincter Injuries (OASIS) on Incidence of Urinary and Anal Incontinence After Childbirth in Nigeria: A Prospective Cohort Study

Crossref DOI link: https://doi.org/10.1007/s00192-025-06231-w

Published Online: 2025-08-22

Published Print: 2026-02

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Ugwu, Emmanuel Onyebuchi https://orcid.org/0000-0002-3342-434X
Ebeigbe, Peter Ndidi

Dim, Cyril Chukwudi

Eleje, George Uchenna
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Text and Data Mining valid from 2025-08-22

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Article History

Received: 31 March 2025

Accepted: 16 June 2025

First Online: 22 August 2025

Declarations

:

: Ethical approval was obtained from the Institutional Review Board of University of Nigeria Teaching Hospital (UNTH) Ituku-Ozalla, Enugu, Nigeria (approval no: NHREC/05/01/2008B-FWA00002458-1RB00002323). Written informed consent was obtained from each eligible woman before recruitment into the study. The study was conducted in accordance with the ethical principles of the Helsinki Declaration.

: The study was developed from the first author’s Project Report, “Effects of obstetric anal sphincter injuries (OASIS) on incidence of urinary and anal incontinence after childbirth in Nigeria: A prospective cohort study,” presented for the Doctor of Medicine (MD) of the Faculty of Obstetrics and Gynaecology of the National Postgraduate Medical College of Nigeria (NPMCN); May 2023.

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