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Table 4 The trend of PAHs and 8-OHdG in pregnant women and newborns in different months (mean ± SD)

From: Association between atmospheric pollutant levels and oxidative stress in pregnant women and newborns in Urumqi

Month of birth

March (n = 71)

April (n = 4)

June (n = 19)

July (n = 45)

September (n = 36)

October (n = 25)

Maternal PAHs(µg·L− 1)

17.46 ± 4.38

20.10 ± 7.71

10.89 ± 1.56

15.46 ± 5.37

16.13 ± 4.23

13.05 ± 3.71

Newborn PAHs(µg·L− 1)

13.93 ± 3.18

18.16 ± 1.29

9.49 ± 1.70

12.38 ± 3.33

12.93 ± 2.57

9.56 ± 3.25

8-OHdG in maternal venous blood (mg·moL− 1)

2527.26 ± 301.07

2663.51 ± 244.80

2263.08 ± 298.52

2443.22 ± 279.33

2412.59 ± 272.92

2387.25 ± 292.41

8-OHdG in maternal urine(mg·moL− 1)

1448.98 ± 306.08

1588.82 ± 318.23

606.14 ± 151.94

595.57 ± 198.21

559.99 ± 221.81

649.34 ± 209.20

8-OHdG in neonatal umbilical cord blood (mg·moL− 1)

2438.06 ± 296.88

2358.37 ± 410.60

1169.47 ± 880.29

1290.99 ± 741.13

1414.68 ± 748.73

1201.12 ± 792.87