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Table 2 POP concentrations in serum and mother’s milk among mothers with measured maternal and infant thyroid hormone concentrations

From: Maternal body burdens of PCDD/Fs and PBDEs are associated with maternal serum levels of thyroid hormones in early pregnancy: a cross-sectional study

  Maternal Infant
  N Median (range) N Median (range)
Seruma     
di-ortho PCB (ng/g lipid) 281 128 (28–367)   
mono-ortho PCB TEQ (pg/g lipid) 281 0.56 (0.2–3.6)   
Breast milkb     
PCDD/F TEQ (pg/g lipid) 91 7.9 (3.3–16)   
tetra-pentaPBDE (ng/g lipid) 166 2.3 (0.46–31) 130 2.4 (0.54–31)
BDE-153 (ng/g lipid) 166 0.48 (<0.2–4.3) 130 0.49 (<0.2–2.2)
  1. adi-ortho PCB = sum of PCB 138, 153 and 180; mono-ortho PCB TEQ = sum of TEQs for PCB 105, 118, 156 and 167 [32]
  2. bPCDD/F TEQ = sum of TEQs for the 17 congeners with WHO TEFs [32]; tetra-pentaPBDE = sum of BDE-47, −99 and −100