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Association of Female Reproductive Factors with Incident Cardiometabolic Disease: Finding from a European
Changxi Wang1,2,3, Zhijie Lin1,2,3, Fan Chen1,2,3
1Department of Cardiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou University Affiliated Provincial Hospital, Fuzhou, China.
Insights
Female reproductive factors like early menarche, menopause, and pregnancy history are linked to increased cardiometabolic disease (CMD) risk. These findings can improve risk assessment for women.
Area of Science:
- Reproductive Health
- Cardiology
- Endocrinology
Background:
- Cardiometabolic diseases (CMD) pose a significant global health challenge.
- While traditional risk factors are known, the role of female reproductive factors in CMD is less understood.
- Limited comprehensive evaluations exist for female reproductive factors associated with CMD.
Purpose of the Study:
- To investigate the association between various female reproductive factors and the risk of developing cardiometabolic diseases (CMD).
- To provide a comprehensive evaluation of how reproductive history influences cardiometabolic health in women.
Main Methods:
- Utilized UK Biobank data from 189,411 women without prior CMD, followed from 2007-2022.
- Employed Cox proportional hazards models, adjusting for confounders identified via directed acyclic graph (DAG).
- Analyzed associations between menarche age, menopause age, reproductive lifespan, childbirth history, and pregnancy loss with CMD incidence.
Main Results:
- Earlier menarche (<12 years) and later menarche (>13 years) increased CMD risk compared to 12-13 years.
- Earlier menopause (<46 years) and shorter reproductive lifespan (<33 years) were associated with higher CMD risk.
- Younger age at first/last live birth, higher parity (3+ children), and recurrent pregnancy loss all elevated CMD risk.
Conclusions:
- Female reproductive factors are independently associated with cardiometabolic disease (CMD) risk.
- These reproductive markers can enhance clinical screening and cardiometabolic risk assessment strategies for women.
- The findings highlight the importance of considering reproductive history in women's cardiovascular health management.
Background:
Cardiometabolic diseases (CMD), including ischemic heart disease, stroke, and type 2 diabetes, have caused an enormous global healthcare burden. Beyond traditional risk factors, female reproductive factors may also be associated with CMD. However, comprehensive evaluations of female reproductive factors related CMD is limited.
Methods:
A total of 189,411 women with no prior CMD from the UK Biobank cohort from 2007 to 2010 were included and followed until December 2022. Associations between reproductive factors and CMD were analyzed using Cox proportional hazards models with adjustment for potential confounders based on the directed acyclic graph (DAG).
Results:
During a median follow-up of 13.2 years, 17,251 incident CMD events occurred. Compared to menarche at age 12-13 years, <12 years and >13 years had a higher risk of CMD (HR <12 year (y) vs 12-13 y: 1.04 [95% CI, 1.01-1.08]; >13 y vs 12-13 y: 1.08 [1.04-1.13]). Earlier age at menopause was related to a higher risk of CMD (HR <46 y vs 50-51 y: 1.22 [1.15-1.29]; 46-49 y vs 50-51 y: 1.08 [1.03-1.14]), and a short reproductive lifespan (HR <33 y vs 36-38 y: 1.19 [1.13-1.25]; 33-35 y vs 36-38 y: 1.08 [1.03-1.14]). Younger age at first live birth (HR <22 y vs 24-26 y: 1.18 [1.12-1.24]; 22-23 y vs 24-26 y: 1.06 [1.00-1.12]) and last live birth (HR <26 y vs 29-30 y: 1.12 [1.06-1.18]) were associated with higher risk. Women with three or four children (HR 3-4 children: 1.21 [1.15-1.28]) and those with more than four children (HR >4 children: 1.27 [1.07-1.52]) were associated with higher risk of CMD. Recurrent pregnancy loss was associated with a 39% and 14% higher risk of CMD, respectively.
Conclusion:
Female reproductive factors are associated with CMD, independent of traditional risk factors. These reproductive factors could inform clinical screening and improve cardiometabolic risk assessment in women.
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