Correlates of menstrual cycle characteristics among nulliparous Danish women.
Correlates of menstrual cycle characteristics among nulliparous Danish women.
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DOI：
10.2147/clep.s46712
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发表时间：
2013
影响因子：
3.9
通讯作者：
Hatch EE
中科院分区：
文献类型：
--
作者：
Hahn KA;Wise LA;Riis AH;Mikkelsen EM;Rothman KJ;Banholzer K;Hatch EE
我们研究了 18-40 岁未生育丹麦女性的生活方式因素与月经周期特征之间的关联，这些女性参与了一项基于互联网的怀孕计划前瞻性队列研究。我们使用基线收集的横断面数据来评估年龄、体重指数 (BMI)、体力活动、酒精和咖啡因摄入量以及吸烟与月经周期不规律、短周期（≤25 天）和长周期（≥33 天）、月经持续时间和量的患病率之间的关系。我们使用对数二项式和多项式逻辑回归来估计患病率和 95% 置信区间。体力活动少和大量饮酒与月经不调患病率增加有关。高体重指数、吸烟、咖啡因和酒精摄入与月经周期短和经血过多的患病率增加有关。与 18-25 岁的女性相比，30 岁中后期的女性月经周期较短且量较少，但周期不规则的发生率较低。在这项研究中，年龄增长、高体重指数和久坐行为与月经模式不规律有关。这些因素可能会影响有利于最佳月经功能的内源性激素的平衡和水平。
We examined the association between lifestyle factors and menstrual cycle characteristics among nulliparous Danish women aged 18–40 years who were participating in an Internet-based prospective cohort study of pregnancy planners. We used cross-sectional data collected at baseline to assess the association of age, body mass index (BMI), physical activity, alcohol and caffeine consumption, and smoking with the prevalence of irregular cycles, short (≤25 days) and long (≥33 days) cycles, and duration and amount of menstrual flow. We used log-binomial and multinomial logistic regression to estimate prevalence ratios and 95% confidence intervals. Low physical activity and heavy alcohol consumption were associated with an increased prevalence of irregular periods. High BMI, smoking, and caffeine and alcohol consumption were related to an increased prevalence of short menstrual cycles and heavy menstrual bleeding. Women in their mid-to-late thirties had shorter and lighter menstrual flow, but a lower prevalence of irregular cycles, compared with women 18–25 years of age. In this study, increased age, high BMI, and sedentary behavior were associated with menstrual-pattern irregularities. These factors may influence the balance and level of endogenous hormones conducive to optimal menstrual function.