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Meta‐analysis of the association between waist circumference (mean differences) and hypertensive disorders. Kausar et al. 63 and Sina et al. 87 reported combined category of preeclampsia or gestational hypertension; Sween et al. 90 and Taebi et al. 91 reported preeclampsia. CI, confidence interval; MD, mean difference (cm); RE, random effect
