Different types of dietary advice for women with gestational diabetes mellitus
Date
2017
Authors
Han, S.
Middleton, P.
Shepherd, E.
Van Ryswyk, E.
Crowther, C.
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Cochrane Database of Systematic Reviews, 2017; 2017(2):CD009275-1-CD009275-92
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Shanshan Han, Philippa Middleton, Emily Shepherd, Emer Van Ryswyk, Caroline A Crowther
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Abstract
Background: Dietary advice is the main strategy for managing gestational diabetes mellitus (GDM). It remains unclear what type of advice is best. Objectives: To assess the effects of different types of dietary advice for women with GDM for improving health outcomes for women and babies. Search methods: We searched Cochrane Pregnancy and Childbirth's Trials Register (8 March 2016), PSANZ's Trials Registry (22 March 2016) and reference lists of retrieved studies. Selection criteria: Randomised controlled trials comparing the effects of different types of dietary advice for women with GDM. Data collection and analysis: Two authors independently assessed study eligibility, risk of bias, and extracted data. Evidence quality for two comparisons was assessed using GRADE, for primary outcomes for the mother: hypertensive disorders of pregnancy; caesarean section; type 2 diabetes mellitus; and child: large-for-gestational age; perinatal mortality; neonatal mortality or morbidity composite; neurosensory disability; secondary outcomes for the mother: induction of labour; perineal trauma; postnatal depression; postnatal weight retention or return to pre-pregnancy weight; and child: hypoglycaemia; childhood/adulthood adiposity; childhood/adulthood type 2 diabetes mellitus. Main results: In this update, we included 19 trials randomising 1398 women with GDM, at an overall unclear to moderate risk of bias (10 comparisons). For outcomes assessed using GRADE, downgrading was based on study limitations, imprecision and inconsistency. Where no findings are reported below for primary outcomes or pre-specified GRADE outcomes, no data were provided by included trials.
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Copyright © 2017 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.