This report provides insight into global and regional infertility prevalence by analyzing all relevant studies from 1990 to 2021, taking into account different estimation approaches used.
6552
首先通过检索确定了世界各地12241条可能相关的研究记录。
The search identified 12 241 records of potentially relevant studies across the world.
6553
然后对这些记录进行筛选，选出了133项研究并将其纳入本报告的分析。
Screening of these records led to the selection of 133 studies that were included in the analysis for the report.
6554
最后使用其中的相关数据点生成了关于终生和特定时期不孕不育症患病率的汇总估计值。
From these, relevant data points were used to generate pooled estimates, for lifetime and period infertility prevalence.
Separately, new research funded by HRP and WHO and published in the journal Human Reproduction Open assessed the costs associated with infertility treatments in low and middle-income countries.
Geneva – New World Health Organization (WHO) guidance will help countries accelerate efforts to stop people with tuberculosis (TB) infection becoming sick with TB by giving them preventive treatment.