AGE AT MENARCHE, FECUNDABILITY, AND MATERNAL STATURE

该项目的目标是：1)确定年龄在 月经初潮对青春期不孕症和随后的生育间隔的影响， 2)评估月经初潮年龄和第一个孩子的年龄对 完成青春期生长发育和成人身高和体重，以及3)至 确定第一胎年龄和生育间隔时间的影响 孟加拉国农村地区初潮和第一胎婴儿死亡率之间的关系。 具体地说，这个项目将研究月经初潮和初潮之间的联系。 年龄和从结婚到第一个孩子受孕的等待时间。在……里面 此外，月经初潮年龄和月经周期长短之间的关系 随后的出生间隔时间将被检查。的独立影响 月经初潮年龄和初潮至第一胎的间隔 成年人的身高和体重也将被评估。纵向数据集 在13年的时间里，来自孟加拉国的1,000多名女性接受了调查 年份为研究这些关系提供了一个独特的机会。数据 包括1)前瞻性观察月经初潮年龄、结婚和生育 在两次调查和登记记录中；2)身高和体重 在18个月的调查中收集，其中每月收集测量数据 并在1989年进行了一次单轮调查。 这些结果将有助于理解月经初潮是一种 生育能力和早育对健康的影响 发展中国家。调查结果将刺激明智的政策和 旨在预防和管理青少年生育的方案 在发展中国家，通过更好地了解 慢性早育对妇幼健康的影响 营养不良的人口。

The objective of this project are 1) to determine the effect of age at menarche on adolescent subfecundability and on subsequent birth intervals, 2) to assess the effect of age at menarche and first birth on the completion of adolescent growth and adult height and weight, and 3) to determine the effect of age at first birth and the length of the interval between menarche and first birth on infant mortality in rural Bangladesh. Specifically, this project will examine the association between menarcheal age and the waiting time to conception from marriage to first birth. In addition, the association between menarcheal age and the length of subsequent birth intervals will be examined. The independent effects of both age at menarche and the interval between menarche and first birth on adult height and weight will also be assessed. A longitudinal data set from Matlab, Bangladesh for over 1,000 women followed over a period of 13 years provides a unique opportunity to study these relationships. Data include 1) ages at menarche, marriage and childbirth observed prospectively in two surveys and in registration records; and 2) height and weight collected in an 18 month survey where measurements were collected monthly and a single round survey in 1989. Results will contribute to the understanding of menarche as a marker of reproductive capacity, and the health effects of early childbearing in developing countries. Findings will stimulate informed policies and programs aimed at the prevention and management of adolescent childbearing in developing countries, through a better understanding of the effects of early childbearing on maternal and child health in a chronically malnourished population.