Gestational weight gain across continents and ethnicity: systematic review and meta-analysis of maternal and infant outcomes in more than one million women

Rebecca F Goldstein, Sally K Abell, Sanjeeva Ranasinha, Marie L Misso, Jacqueline A Boyle, Cheryce L Harrison, Mary Helen Black, Nan Li, Gang Hu, Francesco Corrado, Hanne Hegaard, Young Ju Kim, Margaretha Haugen, Won O Song, Min Hyoung Kim, Annick Bogaerts, Roland Devlieger, Judith H Chung, Helena J Teede