AI Article Synopsis
- - The study investigates the impact of early-life undernutrition during the Great Chinese Famine on the risk of early natural menopause in women.
- - A cohort of 3,337 postmenopausal women was analyzed, revealing a higher prevalence of early menopause among those born before the famine compared to those born after, with a significant increase in risk identified for those with early famine exposure.
- - The findings suggest that chronic undernutrition during childhood is linked to an increased risk of early menopause, supporting the idea that early life factors can influence women's reproductive health and aging.
Article Abstract
Purpose: Early age of menopause may increase the risk of fracture, cardiovascular diseases, and all-cause mortality. This study aimed to investigate the relation between early-life undernutrition in the Great Chinese Famine and the risk of early natural menopause.
Methods: A famine exposure retrospective cohort was established during 2017-2018. Postmenopausal women who were born on 01 October 1956-30 September 1964 and came to the hospital for routine health examinations were candidates for the study. Famine time was defined from 1 January 1959 to 31 December 1961. Three types of early-life famine exposure status were determined by the participant's date of birth. Natural menopause age below 45 was defined as early menopause. The association between early-life famine exposure status and the risk of early natural menopause was confirmed by multiple logistic regression.
Result: A total of 3,337 participants born around famine were included in this study. The prevalence of early menopause was 13.1, 10.0, and 8.3% for those born before, during, and after the famine, respectively. The multiple logistic regression showed that women born before famine significantly increased the risk of early menopause compared to non-exposure (born after famine) (the fully adjusted OR = 1.463, 95%CI = 1.049-2.042). The fetal famine exposure did not significantly increase the risk of early menopause (the fully adjusted OR = 1.244, 95%CI = 0.878-1.764).
Conclusion: Long-term early childhood famine exposure, which caused chronic undernutrition at young ages, increased the risk of early menopause. Early lifetime undernutrition can be recognized as an adverse factor in female reproductive development and aging. This cohort study further confirmed the hypothesis of developmental origins of health and disease from the aspect of women's reproductive health. Further mechanism study is warranted.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11563984 | PMC |
| http://dx.doi.org/10.3389/fnut.2024.1432707 | DOI Listing |
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