2Oken E,Kleinman KP,Belfort MB,et al.Associations of gesta- tional weight gain with short-and longer-term maternal and child health outcomes[J].Am J Epidemiol,2012,170(2):173.
3Stewart ZA,Wallace E,Allan C.Weight gain in pregnancy:a survey of current practices in a teaching hospital[J].Australian and New Zealand Journal of Obstetricsand Gynaecology,2012,52(2):208-210.