目的探讨与产后抑郁症相关的人口学因素及产科因素。
Objective to investigate the related demographic and obstetrical factors of postpartum depressive symptoms.
研究者发现以前发现的许多遗传学选择特征也许更多的来源于历史和人口学因素而非自然选择。
The researchers found that many previously identified genetic signals of selection may have been created by historical and demographic factors rather than by selection.
社会经济因素对象人口学因素、行为因素和保健服务因素是影响项目地区孕产妇死亡的主要因素。
Social and economic factors, demographic traits of pregnant women, behavioral factors, MCH service are the main influencing factors of maternity death.
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