Table 2 Mean concentrations of urinary oxidative stress biomarkers in pregnant people by study visit.
From: Oxidative stress and fetal weight: observational findings from a pregnancy cohort in New York City
Concentration in urine (ng/m–1 [SD]) | <18 weeks (ng/m–1 [SD]) | 18–25 weeks (ng/m–1 [SD]) | >25 weeks (ng/m–1 [SD]) | % below limits of detection (LOD) | |
|---|---|---|---|---|---|
Lipid | 8-iso-prostaglandin F2α (8-iso-PGF2α) | 0.26 (0.40) | 0.27 (0.41) | 0.27 (0.44) | 30.4% |
11β-prostaglandin F2α (11 − PGF2α) | 0.24 (0.55) | 0.27 (0.64) | 0.24 (0.56) | 54.3% | |
15(R)-prostaglandin F2α (15 − PGF2α) | 0.37 (0.80) | 0.40 (0.87) | 0.42 (0.75) | 32.2% | |
8-iso-15(R)-prostaglandin F2α (8,15 − PGF2α) | 0.52 (0.89) | 0.52 (0.75) | 0.60 (0.88) | 19.8% | |
Malondialdehyde (MDA) | 21.0 (17.5) | 21.4 (17.3) | 20.7 (16.1) | 0% | |
Protein | o,o′−dityrosine (diY) | 1.36 (1.52) | 1.74 (1.88) | 1.68 (1.78) | 2.5% |
DNA | 8−hydroxy−2′−deoxyguanosine (8−OHdG) | 3.81 (3.32) | 3.51 (7.07) | 2.68 (2.61) | 0.3% |
