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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