Abstract
Purpose
The sleep disorder in pregnant women remains unfamiliar to perinatal care providers, resulting in lack of appropriate care. This study was designed to investigate the prevalence of sleep disorder-related symptoms in pregnant women and to identify the associated risk factors.
Methods
Married pregnant women were enrolled from their first trimester and followed up until delivery. Nonpregnant married healthy women were selected as controls. A survey questionnaire was administered to each of them.
Results
We successfully performed a survey to 1,993 pregnant women and 598 nonpregnant women. The overall prevalence of sleep disorder-related symptoms in pregnant women was significantly higher than the controls (56.1 vs. 29.9 %, P < 0.05). There was higher prevalence of snoring (30.2 %), observed sleep apnea (1.1 %), mouth breathing (23.7 %), nocturnal arousal (46.5 %), insomnia (35.1 %), and daytime sleepiness (52.6 %) in pregnant women. There were no significant differences of the prevalence of bruxism (7.0 vs. 6.7 %), sleep talking (8.1 vs. 7.2 %), and sleep walking (0.4 vs. 0.2 %) between the two groups (P > 0.05). Nocturnal sleep time (8.0 ± 1.3 h) was less in the third trimester compared with the nonpregnant women (8.2 ± 1.1 h) (P < 0.05). Smoking (OR = 3.39), drinking (OR = 2.40), allergic rhinitis/asthma (OR = 1.71), an obvious difference in neck circumference (OR = 1.11), and waistline (OR = 1.07) changes between the first and third trimesters were the risk factors for sleep disorder-related problems.
Conclusions
There is a high prevalence of sleep disorder-related symptoms in pregnant women. Our data may provide a baseline for prevention and treatment of sleep disturbances in pregnant women.
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Acknowledgments
This work is supported by the Program of National Planned Parenthood Grant (C-52), Zhejiang Province Science and Technology Grant (2008C33011), Wenzhou City Science and Technology Bureau Grant (Y20080083). We appreciate the statistical help from Dr. Mao Guang-Yun, the School of Environmental Science & Public Health of Wenzhou Medical College. We thank Dr. Jing Lin of Mount Sinai School of Medicine for the critical review and comments.
Conflict of interest
None of the authors have any conflict of interest regarding the material discussed in this manuscript.
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Cai, XH., Xie, YP., Li, XC. et al. The prevalence and associated risk factors of sleep disorder-related symptoms in pregnant women in China. Sleep Breath 17, 951–956 (2013). https://doi.org/10.1007/s11325-012-0783-2
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DOI: https://doi.org/10.1007/s11325-012-0783-2