Blood levels of PCDDs, PCDFs, and coplanar PCBs in Yusho mothers and their descendants: Association with fetal Yusho disease

► Maternal exposure to dioxins may result in adverse health effects in their children. ► The effect of maternal exposure to dioxins on the development of fetal Yusho disease (FYD) was studied. ► The blood level of 1,2,3,6,7,8-HexaCDD in mothers at delivery was associated with increased risk of FYD. ► The blood level of 1,2,3,6,7,8-HexaCDD in descendants with FYD was also elevated.