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Article

Association between Serum Glycated Hemoglobin Levels and Female Infertility: A Cross-Sectional Survey and Genetic Approach

1
Department of Post-Baccalaureate Veterinary Medicine, College of Medical and Health Science, Asia University, Taichung 41354, Taiwan
2
Chuyuan Chinese Medicine Clinic, Taichung 40455, Taiwan
3
Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
4
Division of Infertility, Lee Women’s Hospital, Taichung 40652, Taiwan
5
Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
6
Department of Neurology, Yuanlin Christian Hospital, Changhua 51052, Taiwan
7
School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung 40402, Taiwan
8
Department of Chinese Medicine, China Medical University Hospital, Taichung 40447, Taiwan
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2024, 25(17), 9668; https://doi.org/10.3390/ijms25179668
Submission received: 7 August 2024 / Revised: 3 September 2024 / Accepted: 4 September 2024 / Published: 6 September 2024
(This article belongs to the Section Molecular Genetics and Genomics)

Abstract

Female infertility affects a significant portion of the population, and recent studies suggest a potential link between glycemic control and reproductive health. This study investigates the association between serum glycated hemoglobin (HbA1c) levels and female infertility, utilizing data from the NHANES 2017–2020 and Mendelian randomization (MR) analysis. A cross-sectional study was conducted with 1578 women aged 20–45 who attempted pregnancy for at least one year. Serum HbA1c levels were analyzed in relation to infertility status, with multivariable logistic regression models adjusting for covariates such as age, body mass index, race/ethnicity, education, marital status, hypertension, and hyperlipidemia. Higher HbA1c levels were significantly associated with increased infertility risk. Each 1% increase in HbA1c was linked to higher odds of infertility (adjusted OR: 1.40, 95% CI: 1.15–1.69, p = 0.003). HbA1c levels ≥ 6.5% showed the strongest association. MR analysis employed single-nucleotide polymorphisms as instrumental variables to assess the causal relationship between HbA1c and infertility, confirming a causal relationship between higher genetically predicted HbA1c levels and infertility (OR: 1.82, 95% CI: 1.33–2.49, p = 0.00018). Sensitivity analyses supported the robustness of these findings. Elevated HbA1c levels are associated with an increased risk of female infertility, suggesting the importance of glycemic control in reproductive health management.
Keywords: female infertility; glycated hemoglobin; Mendelian randomization; cross-sectional study; reproductive health female infertility; glycated hemoglobin; Mendelian randomization; cross-sectional study; reproductive health

Share and Cite

MDPI and ACS Style

Liao, C.-C.; Lee, C.-I.; Liao, K.-R.; Li, J.-M. Association between Serum Glycated Hemoglobin Levels and Female Infertility: A Cross-Sectional Survey and Genetic Approach. Int. J. Mol. Sci. 2024, 25, 9668. https://doi.org/10.3390/ijms25179668

AMA Style

Liao C-C, Lee C-I, Liao K-R, Li J-M. Association between Serum Glycated Hemoglobin Levels and Female Infertility: A Cross-Sectional Survey and Genetic Approach. International Journal of Molecular Sciences. 2024; 25(17):9668. https://doi.org/10.3390/ijms25179668

Chicago/Turabian Style

Liao, Chung-Chih, Chun-I Lee, Ke-Ru Liao, and Jung-Miao Li. 2024. "Association between Serum Glycated Hemoglobin Levels and Female Infertility: A Cross-Sectional Survey and Genetic Approach" International Journal of Molecular Sciences 25, no. 17: 9668. https://doi.org/10.3390/ijms25179668

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