ArticleBMJ open2026
Pregnancy outcomes among women with and without HIV infections who underwent excisional treatment for high-grade cervical intraepithelial neoplasia: a retrospective cohort study in low-resource settings.
Article in BMJ open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThe standard treatment for high-grade squamous intraepithelial lesions is excisional involving the uterine cervix, while surveillance is an acceptable approach for low-grade squamous intraepithelial lesions. There is controversy about excisional treatment on pregnancy outcomes. The objective of this study was to determine pregnancy outcomes in women living with and without HIV who underwent excisional treatment for high-grade cervical intraepithelial lesions.
designThis retrospective cohort study compared the pregnancy outcomes of women with and without HIV who were or were not treated for cervical intraepithelial lesions. A cohort of 488 women with and without HIV infection who did or did not receive excisional treatment for cervical intraepithelial lesions between 2009 and 2022 was enrolled. Adverse pregnancy outcomes (preterm delivery and pregnancy loss) in women with and without HIV, untreated or treated for cervical dysplasia, were recorded and analysed. The significance of the obtained results was judged at the 5% level. STUDY SETTINGS: The study was conducted at all Academic Model Providing Access to Healthcare-Kenya satellite sites, which offer cervical cancer screening and treatment for cervical dysplasia in western Kenya. The Moi Teaching and Referral Hospital was also included.
participantsA cohort of 488 women aged between 20 years and 49 years, with and without HIV, diagnosed and treated for high-grade cervical intraepithelial neoplasia, and those followed up for low-grade cervical intraepithelial neoplasia between 2009 and 2022, were included. OUTCOMES MEASURED: The study was interested in adverse pregnancy outcomes, particularly pregnancy loss and preterm delivery following cervical excision treatment for high-grade cervical intraepithelial lesions.
resultsAfter adjustment for confounding factors, excisional treatment involving the uterine cervix-particularly cold knife conisation-was associated with higher odds of adverse pregnancy outcomes (OR 13.1; 95% CI 1.1 to 137.1; p=0.032). A prior history of adverse pregnancy outcomes was also strongly associated with subsequent adverse outcomes after treatment (OR 37.7; 95% CI 13.8 to 102.7; p<0.001). In contrast, maternal HIV infection was not independently associated with adverse pregnancy outcomes after adjustment (p=0.125).
conclusionAdverse pregnancy outcomes after excisional treatment of the uterine cervix for high-grade squamous intraepithelial lesions are multifactorial and were associated with cold knife conisation and prior adverse pregnancy outcomes, while maternal HIV infection was not independently associated with adverse outcomes.
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