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[Effect of Sleep in Early Pregnancy on Gestational Diabetes: a Prospective Study.]
Feng-Ming Zhou1, Liu-Qing Yang1, Rong-Ping Zhao1
1Department of Nutrition,Food Safety and Toxicology,West China School of Public Health,Sichuan University,Chengdu 610041,China.
Objectives:
To investigate the influence of sleep status in early pregnant women on the occurrence of gestational diabetes mellitus (GDM).
Methods:
In this prospective study,542 pregnant women in early pregnancy were selected as subjects.The sleep time,insomnia,pre-gestational body mass and basic information of the subjects were collected by the trained investigators through questionnaire.At the 24th to 28th pregnant week,the body mass of each subject was measured and oral glucose tolerance test (OGTT) was conducted.The diagnosis of GDM was followed the guidelines of diagnose and treatment of gestational diabetes mellitus in China (2014).A non-conditional logistic regression method was adopted to analyze the correlation between sleep status of early pregnant women and the occurrence of GDM.
Results:
The numbers of subjects in sleep deficiency group,sleep sufficiency group and sleep excessive group were 16 (2.95%),268 (49.45%) and 258 (47.60%),respectively.The incidences of GDM for sleep deficiency group,sleep sufficient group,and sleep excessive group were 62.50%(10/16),25.75%(69/268) and 22.09% (57/258),respectively,the difference was statistically significant (χ2=11.280,P<0.05).Compared with either sleep sufficiency or sleep excessive group,sleep deficiency group had higher GDM occurrence rate with statistically significant (χ2=8.410,11.218,P<0.017).Insomnia subjects in early pregnancy were 137 (25.28%).The incidences of GDM in insomnia group and normal group were 32.12% and 22.72% respectively,the difference was statistically significant (χ2=4.813, P<0.05).After adjusting the confounding factors [age,education,pre-pregnant body mass index (BMI),gained body mass in early and medium pregnancy,family history of type-2 diabetes,gravidity,parity,smoke,drink,exercise and occupation],non-conditional logistic regression results show that sleep deficiency for early pregnant women was an independent risk factor for the occurrence of GDM [odds ratio (OR)=7.38,95% confidence interval (CI): 2.25-24.17].However,the association between insomnia and the occurrence of GDM was not found.
Conclusions:
Sleep deficiency in early pregnancy may be a risk factor for the occurrence of GDM.
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