![Investigating the association between prepregnancy body mass index and adverse pregnancy outcomes: a large cohort study of 536 098 Chinese pregnant women in rural China]()
Investigating the association between prepregnancy body mass index and adverse pregnancy outcomes: a large cohort study of 536 098 Chinese pregnant women in rural ChinaPan, Yi; Zhang, Shikun; Wang, Qiaomei; Shen, Haiping; Zhang, Yiping; Li, Yuanyuan; Yan, Donghai; Sun, Lizhou · BMJ Open · 2016