与更年期年龄相关的体力活动:孟德尔的随机化研究
1Sun Yat-sen University, Zhongshan School of Medicine, Guangzhou, China.
Medicine
|February 10, 2025
概括
适度的体力活动延迟了更年期的年龄,可能是通过体重指数 (BMI). 这一发现为预防卵巢衰竭和维持女性生殖健康提供了洞察力.
科学领域:
- 生殖内分泌学 生殖内分泌学
- 遗传学 遗传学是一种遗传学.
- 流行病学 流行病学
背景情况:
- 观察性研究表明,身体活动会影响更年期 (ANM) 的年龄,但因果关系尚不清楚.
- 了解生活方式因素和ANM之间的关系对于妇女健康至关重要.
- 潜在的介导因素,如BMI,失眠,高血压和高血糖症需要调查.
研究的目的:
- 使用孟德尔随机化 (MR) 调查身体活动和绝经年龄 (ANM) 之间的因果关系.
- 确定身体活动与ANM关系中的潜在调解因素,包括BMI,失眠,高血压和高血糖症.
- 为维护妇女生殖健康提供基于证据的建议.
主要方法:
- 两个样本的孟德尔随机化 (MR) 分析,以评估身体活动对ANM的因果关系.
- 两步式MRI分析,评估BMI,失眠,高血压和高血糖的调解作用.
- 使用反变量加权 (IVW) 和其他MR方法,并对结果的稳定性进行敏感性分析.
主要成果:
- 适度的体力活动与更年期延迟的年龄因果相关 (β = 0.64,P = 0.04).
- 强烈的体力活动和ANM之间没有发现显著的因果关系 (P = 0.68).
- 体重指数 (BMI) 显著介导了身体活动对延迟ANM的影响 (比例介导=4.9%,P=0.02).
结论:
- 适度的体力活动是一种保护因素,延迟了更年期的年龄.
- 身体质量指数 (BMI) 在这种关系中起着重要的调解作用.
- 这些发现支持生活方式干预,以预防过早的卵巢衰竭和促进生殖健康.
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