Background Anxiety disorders with a specific focus on fear of childbirth (FOC) are the most common mental health challenges in perinatal women. The accurate measurement of FOC is important for correctly identifying women with FOC, as well as for identifying the target population for treatment. We aimed to review FOC scales and evaluate their psychometric properties via the COSMIN methodology to identify the most suitable available instruments. Methods We conducted this systematic review via a comprehensive search of databases, including PubMed, Web of Science, Scopus, Science Direct and ProQuest, to identify articles published from inception to May 2024 via com- bined keywords related to tools that assess FOC in women during pregnancy or postpartum period. The quality of the psychometric properties of the included studies was evaluated via the COSMIN checklist. Results Of the 1160 records found initially, 47 articles were included in this review, 24 of which were related to the Wijma Delivery Expectancy/Experience Questionnaire (W-DEQ). According to the recommended categorization of the COSMIN methodology, among the 18 assessed scales, the Fear of Childbirth Questionnaire (FCQ) was catego- rized as A, and 11 scales, including the Fear-of-delivery Questionnaire (FDQ), W-DEQ-A & B, Delivery Fear Scale (DFS), Fear of Birth Scale (FOBS), Birth Anticipation Scale (BAS), Childbirth Fear Questionnaire (CFQ), Childbirth Fear Scale (CSF), Slade–Pais Expectations of Childbirth Scale (SPECS), and unnamed tools by Melender et al. (2005) and Eriksson et al. (2005) were categorized as B. Conclusion According to the findings, the FCQ can be recommended for evaluating pregnant women with FOC. The measures categorized as B are potentially recommended for use, but further research is needed to evaluate the qual- ity of this group.

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