Study design and participants
This study is the result of a research project approved by Vice Chancellor for Research of Tabriz University of Medical Sciences, Faculty of Nursing and Midwifery with ethics code IR.TBZMED.REC.1400.678 and registration code of (IRCT20170506033834N9) on Iranian Registry of Clinical Trials site. This randomized controlled clinical trial was carried out on 99 pregnant women referred to health centers in Tabriz, Iran from January 5 to August 11, 2022.The inclusion criteria were primigravida women aged 18–45 years with gestational age of 24–28 weeks and a Wijma Delivery Expectancy/ Experience Questionnaire (WDE-Q) score above 65 [The sample size was calculated based on the FOC variable in the study of Dorosti et al. [