Pre-pregnancy underweight and obesity are positively associated with small-for-gestational-age infants in a Chinese population

Chen YH, Li L, Chen W, Liu ZB, Ma L, Gao XX, He JL, Wang H, Zhao M, Yang YY, Xu X. Pre-pregnancy underweight and obesity are positively associated with small-for-gestational-age infants in a Chinese population. Sci Rep. 2019; 9(1): 15544.