Identification of evidence base
GDM
GDM, GESTATIONAL DIABETES
The literature search was conducted through 11 English and Chinese electronic databases, including Medline, PubMed, Web of Science, Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Review, Scopus, Embase, PsycINFO, China National Knowledge Infrastructure (CNKI), Wan Fang Data and Chinese Medical journal database. The articles were searched from the earliest dates to February 2023. The search terms used were “gestational diabetes”, “exercise”, “physical activity”, and “risk”. Randomized trials that reported on physical activity relevant to gestational diabetes prevention and were published in English or Chinese were considered eligible. The following were excluded: (a) conference abstracts, case reports, and review papers; (b) duplicated articles; (c) articles lacking original data or with inaccessible data; and (d) articles for which the full article was unavailable. A total of 1956 articles were searched, and 6 articles were identified through a reference list. Duplicate articles (n = 760) were removed. The preliminary intervention protocol framework was developed by 12 randomized controlled trials (RCT) focused on physical activity intervention in pregnant women with high risk for GDM [