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. Author manuscript; available in PMC: 2016 Dec 21.
Published in final edited form as: Ann N Y Acad Sci. 2008 Oct;1140:155–162. doi: 10.1196/annals.1454.004

TABLE 2.

Distribution of DDT Metabolites according to the Sex of the Child and Trimester of Pregnancy

Boys Girls
DDT metabolites Base line
(n = 25)		 1st Trimester
(n = 31)		 2nd Trimester
(n = 29)		 3rd Trimester
(n = 22)		 Base line
(n = 24)		 1st Trimester
(n = 29)		 2nd Trimester
(n = 24)		 3rd Trimester
(n = 27)
p,p′-DDE
  Wet basis (ng/mL)
    10th Percentile 1.7 2.1 1.1 3.4 2.1 1.1 7.0 4.3
    Median 10.4 8.8 8.2 15.5 11.2 6.6 7.1 10.2
    90th Percentile 33.7 35.2 31.6 36.3 21.2 20.1 28.2 48.7
  Lipid basis (ng/g)
    10th Percentile 209.8 216.3 154.4 249.0 292.6 216.6 97.0 326.1
    Median 2456.6 1714.8 1276.5 1274.2 1688.2 1407.9 1083.0 1040.1
    90th Percentile 5887.5 8864.2 5209.8 3688.3 3015.2 4354.5 4442.1 4273.6
p,p′-DDT
  Wet basis (ng/L)
    10th Percentile 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5
    Median 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5
    90th Percentile 500 400 100 4.5 110 140 200 340
  Lipid basis (ng/kg)
    10th Percentile 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.3
    Median 12.3 12.3 12.3 12.3 12.3 12.3 12.3 12.3
    90th Percentile 7700 10100 25 12.3 9300 26800 1700 12700
DDT:DDE 0.001 0.001 0.001 0.0003 0.001 0.001 0.001 0.0004