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Background: Pregnancy distress is a combination of anxiety, stress, and depression during pregnancy. The first step in preventing pregnancy distress is to identify women at risk. The present study assessed adaptation and psychometric adequency of the Persian Adapted Version of Tilburg Pregnancy Distress Scale (P-TPDS)., Methods: By Brislin's translation guidelines, TPDS was translated to Persian. This was followed by determining the face validity of P-TPDS and evaluating construct validity using exploratory and confirmatory factor analyses. The Cronbach's alpha coefficients and intra-class correlation coefficient (ICC) were used to estimate reliability., Results: A final 16-item scale was loaded on four distinct constructs jointly accounting for 59.62% of variance. The factors were labelled as delivery-related worries, partner involvement, pregnancy-related worries, and social-related worries. The alpha coefficients for P-TPDS subscales ranged from 0.85 to 0.91 and ICC ranged from 0.70 to 0.77. All comparative indices of the model including CFI, IFI, NFI, and NNFI were above 0.9 showing the goodness of fit for the data with a RMSEA of 0.04, lower bound: 0.038., Conclusions: The Persian adapted version of TPDS (P-TPDS) is a reliable and valid scale for assessing pregnancy distress among pregnant women in Iran.

Pregnant women may be specifically prone to experience pregnancy-specific distress, which has been associated with adverse maternal, pregnancy and child outcomes. Accurately identifying pregnancy-specific distress is thus crucial. The Tilburg Pregnancy Distress Scale (TPDS) – translated into many different languages - was previously developed to measure pregnancy-specific distress, resulting in a 16-item screening scale with a partner involvement dimension (PI) and a negative affect dimension (NA). A critical evaluation of the psychometric properties of the TPDS-NA items and feedback from pregnant women over the last decade has led to the need to revise the TPDS. Therefore, in the current study, we describe the procedure for revision and evaluate the psychometric properties of the revised TPDS (TPDS-R). More specifically, we describe the revision of the TPDS-R-PI (4 items) and the TPDS-R-NA (10 items: five-item pregnancy and five-item childbirth subcomponent). A sample of 1081 pregnant women participating in the Brabant Study completed the TPDS-R at 12, 20 and 28 weeks of pregnancy. An exploratory factor analysis and confirmatory factor analysis, descriptive statistics and repeated measures ANOVA demonstrated good test-retest reliability, concurrent validity, internal consistency, and construct validity of the TPDS-R. The TPDS-R provides a robust screening tool to accurately identify pregnant women at risk of pregnancy-specific distress. [ABSTRACT FROM AUTHOR]