• Naer Zhong and Jingnan Wang.
• a Orthopaedics Dept.4 , No. 2 Hospital of Ningbo , Zhejiang , China.
• Gynecol. Endocrinol. 2019 Jan 1; 35 (1): 4-9.

IntroductionThe efficacy of omega-3 fatty acid to treat gestational diabetes remains controversial. We conduct a systematic review and meta-analysis to explore the influence of omega-3 fatty acid versus placebo on gestational diabetes.MethodsWe search PubMed, EMbase, Web of science, EBSCO, and Cochrane library databases through March 2018 for randomized controlled trials (RCTs) assessing the effect of omega-3 fatty acid versus placebo on gestational diabetes. This meta-analysis is performed using the random-effect model.ResultsFive RCTs are included in the meta-analysis. Overall, compared with control group for gestational diabetes, omega-3 fatty acid can significantly reduce fasting plasma glucose (FPG) (mean difference (MD) = -4.91; 95% confidence interval (CI) = -8.16 to -1.66; p = .003), homeostatic model of assessment for insulin resistance (HOMA-IR, MD = -0.99; 95% CI = -1.61 to -0.37; p = .002), high sensitivity C-reactive protein (hs-CRP, MD = -1.43; 95% CI = -2.54 to -0.31; p = .01), but has no remarkable influence on preterm delivery (RR = 1.61; 95% CI = 0.36-7.16; p = .53), gestational age (MD = 0.09; 95% CI = -0.01 to 0.20; p = .08), macrosomia (RR = 0.64; 95% CI = 0.26-1.62; p = .3), newborn weight (MD = 3.37; 95% CI = -15.75 to 22.50; p = .73), and 5-min Apgar score (MD = 0; 95% CI = -0.02 to 0.02; p = .92).ConclusionsOmega-3 fatty acids is associated with significantly reduced FPG, HOMA-IR, and hs-CRP in patients with gestational diabetes.

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