Determining the Sample Size for Assessing the Prevalence and Determinants of Delayed Motherhood among women of reproductive age in Five Sub-Saharan African Countries.

Determining the Sample Size for Assessing the Prevalence and Determinants of Delayed Motherhood among women of reproductive age in Five Sub-Saharan African Countries.确定用于评估5个撒哈拉以南非洲国家（Sub-Saharan African Countries）育龄妇女（women of reproductive age）生育延迟（Delayed Motherhood）的流行率（Prevalence）及其决定因素（Determinants）所需的样本量