Evidence summary on the timing and frequency of screening for perinatal depression

CNKI, Wanfang, VIP, and CBM databases were searched to retrieve relevant articles.Results: A total of 9 articles were included in the meta-analysis, comprising 2 guidelines, 1 expert consensus, 1 evidence summary, 3 systematic reviews, and 2 clinical decisions.A total of 11 articles of best evidence were collected.The evidence was mainly related to the two aspects of screening time and frequency.Conclusions: There is abundant evidence on the best screening time for and frequency of PND; however, some evidence was from foreign evidence-based resources.Local clinical conditions need to be considered at the time of application.