Sleep Quality in Late Pregnancy and Postpartum Depression

Document Type : Original Article

Authors

1 M.Sc. of Midwifery, Faculty of Medicine, Tarbiat Modares of Tehran, Tehran, Iran.

2 Assistant Professor of Health, Faculty of Medicine, Tarbiat Modares University of Tehran, Tehran, Iran.

3 Associate Professor of Vital Statistics, Faculty of Medicine, Tarbiat Modares University of Tehran, Tehran, Iran.

Abstract

Introduction: Pregnancy affects on women’s sleep physiologically and psychologically. Poor sleep quality in late pregnancy seems to be a predictive of depressive symptoms at first few weeks of post birth. The purpose of this study was to investigate the relationship between quality of sleep in late pregnancy and postpartum depressive symptoms.
Methods: This prospective longitudinal study was performed on 156 women with gestational age of 28-30 weeks from 10 prenatal care clinics of Qom, Iran. Subjects completed a questionnaire including the Pittsburgh Sleep Quality Index (PSQI), State-Trait Anxiety Inventory (STAI) and Childbirth Attitudes Questionnaire (CAQ) at 28 and again at 38 weeks of gestation. Three months after delivery, depressive symptoms were assessed using the Edinburgh Postpartum Depression Scale (EPDS). Data was analyzed by Chi-square test, Mantel Haenszel and logistic regression and Two-Way ANOVA Analysis of Variance using SPSS softwareversion16.
Results: Significant relationship was found between quality sleep scores at 28 and 38 weeks of gestation and postpartum depressive symptoms (p>0.05). Inappropriate sleep quality at 28 weeks (OR=3.9) and 38 weeks (OR=3.4) increases the risk of postpartum depressive symptoms nearly four times (p=0.03).
Conclusion: Quality of sleep is a predisposing factor of postpartum depression. Therefore, assessing the sleep quality of pregnant women and providing proper interventions during pregnancy is suggested to reduce the rate of postpartum depression.

Keywords

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The Iranian Journal of Obstetrics, Gynecology and Infertility
Volume 14, Issue 8 - Serial Number 8
February 2012
Pages 39-47

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