Aim <p>This study aimed to evaluate the effects of a Mindfulness-Based Stress Reduction (MBSR) program on premenstrual symptom severity, pre-pregnancy fear of childbirth, and psychological well-being in women experiencing Premenstrual Syndrome (PMS).</p> Materials and methods <p>This randomized controlled trial was conducted with 126 women experiencing PMS between June 2023 and November 2025 (MBSR group: <i>n</i> = 63; control group: <i>n</i> = 63). The intervention group participated in an 8-session online MBSR program, delivered twice weekly (40&#xa0;min per session), while the control group received no intervention. Data were collected using the Premenstrual Syndrome Scale (PMSS), the Childbirth Fear - Prior to Pregnancy Scale (CF-PPS), and the Psychological Well-being Scale (PWBS). Between-group differences were analyzed using analysis of covariance (ANCOVA) adjusting for baseline values, and effect sizes were reported using partial eta-squared (η²). The trial was retrospectively registered (ClinicalTrials.gov, NCT06942169).</p> Results <p>The MBSR intervention was associated with statistically significant improvements in all outcomes compared to the control group. Adjusted analyses indicated a significant reduction in premenstrual symptom severity (<i>p</i> &lt; 0.001, η²=0.117) and fear of childbirth (<i>p</i> &lt; 0.001, η²=0.125), as well as a significant increase in psychological well-being (<i>p</i> &lt; 0.001, η²=0.285). These findings correspond to moderate effect sizes for PMSS and CF-PPS and a relatively large effect size for PWBS.</p> Conclusion <p>The findings suggest that MBSR may be an effective non-pharmacological intervention for reducing premenstrual symptoms, decreasing pre-pregnancy fear of childbirth, and improving psychological well-being in women experiencing PMS. However, the results should be interpreted with caution due to the short-term nature of the assessment and the absence of long-term follow-up data.</p>

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The effect of mindfulness-based stress reduction training on fear of childbirth and psychological well-being in women experiencing premenstrual syndrome: a randomized controlled trial

  • Aysel Akbeniz,
  • Esra Sabancı Baransel

摘要

Aim

This study aimed to evaluate the effects of a Mindfulness-Based Stress Reduction (MBSR) program on premenstrual symptom severity, pre-pregnancy fear of childbirth, and psychological well-being in women experiencing Premenstrual Syndrome (PMS).

Materials and methods

This randomized controlled trial was conducted with 126 women experiencing PMS between June 2023 and November 2025 (MBSR group: n = 63; control group: n = 63). The intervention group participated in an 8-session online MBSR program, delivered twice weekly (40 min per session), while the control group received no intervention. Data were collected using the Premenstrual Syndrome Scale (PMSS), the Childbirth Fear - Prior to Pregnancy Scale (CF-PPS), and the Psychological Well-being Scale (PWBS). Between-group differences were analyzed using analysis of covariance (ANCOVA) adjusting for baseline values, and effect sizes were reported using partial eta-squared (η²). The trial was retrospectively registered (ClinicalTrials.gov, NCT06942169).

Results

The MBSR intervention was associated with statistically significant improvements in all outcomes compared to the control group. Adjusted analyses indicated a significant reduction in premenstrual symptom severity (p < 0.001, η²=0.117) and fear of childbirth (p < 0.001, η²=0.125), as well as a significant increase in psychological well-being (p < 0.001, η²=0.285). These findings correspond to moderate effect sizes for PMSS and CF-PPS and a relatively large effect size for PWBS.

Conclusion

The findings suggest that MBSR may be an effective non-pharmacological intervention for reducing premenstrual symptoms, decreasing pre-pregnancy fear of childbirth, and improving psychological well-being in women experiencing PMS. However, the results should be interpreted with caution due to the short-term nature of the assessment and the absence of long-term follow-up data.