?url_ver=Z39.88-2004&rft_id=doi%3A10.3310%2FGJST1327&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=John&rft.au=Allotey%2C+John&rft.aulast=Allotey&rft.title=Health+Technology+Assessment&rft.pages=1-252&rft.issn=2046-4924&rft.atitle=Effects+of+physical+activity+and+diet+in+pregnancy+to+prevent+gestational+diabetes%3A+an+individual+participant+data+(IPD)+meta-analysis+on+the+differential+effects+of+interventions+with+economic+evaluation&rft.date=Mayo+2026&rft.genre=article