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Female Human Papillomavirus Infection Associated with Increased Risk of Infertility: A Nationwide Population-Based Cohort Study.


ABSTRACT:

Objective

This study investigated whether women with a history of human papillomavirus (HPV) infection have an increased risk of infertility.

Material and methods

All patients with an HPV infection (n = 11,198) in Taiwan's National Health Insurance Research Database (2000-2012) were propensity score matched with control subjects (n = 11,198) without an HPV infection by age, sex, index year, and relevant co-morbidities. Both groups were tracked until a diagnosis of infertility was recorded. The Chi-square test was used to analyze the distribution of demographic characteristics in the HPV group and non-HPV group. A Cox proportional hazards regression was used to estimate the hazard ratios (HRs) for the development of infertility, adjusting for age, sex, and co-morbidities. The Kaplan-Meier method was used to plot the cumulative incidence curves. We also performed negative controls to test for possible unmeasured confounding.

Results

The HPV cohort had a higher risk of infertility. The adjusted HR (aHR) was found to be 1.39 (95% CI = 1.19-1.63) after adjusting for demographic characteristics and relevant co-morbidities. In the age subgroup analysis, patients with an HPV infection had an increased risk of infertility compared to the non-HPV cohort in the group aged 26 to 35 years (aHR, 1.53; 95% CI = 1.24-1.88). As we used propensity score matching to treat measurable confounders and negative controls to access unmeasured confounders, the findings of the study are robust.

Conclusions

Among females of reproductive age, HPV infection is a potential risk factor that predisposes individuals to subsequent infertility.

SUBMITTER: Hsu LC 

PROVIDER: S-EPMC7558487 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Publications

Female Human Papillomavirus Infection Associated with Increased Risk of Infertility: A Nationwide Population-Based Cohort Study.

Hsu Li-Chuan LC   Tsui Kuan-Hao KH   Wei James Cheng-Chung JC   Yip Hei-Tung HT   Hung Yao-Min YM   Chang Renin R  

International journal of environmental research and public health 20200907 18


<h4>Objective</h4>This study investigated whether women with a history of human papillomavirus (HPV) infection have an increased risk of infertility.<h4>Material and methods</h4>All patients with an HPV infection (n = 11,198) in Taiwan's National Health Insurance Research Database (2000-2012) were propensity score matched with control subjects (n = 11,198) without an HPV infection by age, sex, index year, and relevant co-morbidities. Both groups were tracked until a diagnosis of infertility was  ...[more]

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