sentence: We adjusted for the same covariates as described above for the continuous analyses.Analyses of associations between the xenoestrogenic activities and indices of fetal growth were performed separately for each sex as well as pooled , because previous reports have found sex differences concerning the associations between PFAA concentrations and indices of fetal growth ( Andersen et al. 2010 ; Bach et al. 2016 ; Maisonet et al. 2012 ; Robledo et al. 2015 ; Washino et al. 2009 ) .