1. Pesticides a) %Average percentage distribution between maternal –fetal unit (ng/mL) PCBs PBDEs b) Pesticides PCBs %Average percentage distribution between maternal–fetal unit (ng/lipid) PBDEs

2. b) %Average percentage distribution between maternal–fetal unit (ng/lipid) Pesticides %Average percentage distribution between maternal–fetal unit (ng/mL) PBDEs PCBs a)

3. %Average percentage distribution between maternal –fetal unit (ng/mL) a) %Average percentage distribution between maternal –fetal unit (ng/ g lipid) b) Pesticides PCBs PBDEs Pesticides PCBs PBDEs

4. %Average percentage distribution between maternal –fetal unit (ng/mL) a) %Average percentage distribution between maternal –fetal unit (ng/ g lipid) b) Pesticides PCBs PBDEs Pesticides PCBs PBDEs