The aim of this study was to examine the impact of watching an educational video on infant crying within 1 week of age after delivery at maternity wards to reduce the prevalence of postpartum depressive symptoms at 1 month after giving birth.

中文翻译：

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使用有关婴儿哭泣的教育视频来预防产后抑郁症状：一项随机对照试验。

这项研究的目的是检验在产房分娩后1周内观看教育视频对婴儿哭泣的影响，以降低分娩后1个月产后抑郁症状的发生率。