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Table 2 Concentrationsa of phenols and phthalate metabolites in maternal urine (N = 452b mother-son pairs of the EDEN mother child cohort)

From: In-utero exposure to phenols and phthalates and the intelligence quotient of boys at 5 years

Compounds (μg/L) LOD (μg/L) % < LOD Percentiles
5th 50th 95th
Phenols
 2,4-dichlorophenol 0.2 2 0.3 1.0 10.0
 2,5-dichlorophenol 0.2 0 1.7 9.2 305
 Bisphenol A 0.4 0.4 0.9 2.4 9.3
 Benzophenone-3 0.4 7 <LOD 2.2 63.7
 Triclosan 2.3 18 <LOD 25.6 691
 Methyl paraben 1 0 8.0 101 1529
 Ethyl paraben 1 27 <LOD 3.4 689
 Propyl paraben 0.2 1 0.5 13.4 255
 Butyl paraben 0.2 14 <LOD 2 57.7
Phthalates
 Monoethyl phthalate (MEP) 0.6 0 21.9 100 591
 Mono-n-butyl phthalate (MBP) 0.2 0 11.6 44.6 444
 Mono-isobutyl phthalate (MiBP) 0.2 0 11.8 38.8 168
 Mono(2-ethyl-5-carboxypentyl) phthalate (MECPP) 0.2 0 12.5 39.2 176
 Mono(2-ethyl-5-hydroxyhexyl) phthalate (MEHHP) 0.2 0 6.9 29.0 106
 Mono(2-ethyl-5-oxohexyl) phthalate (MEOHP) 0.2 0 5.8 23.3 87
 Mono(2-ethylhexyl) phthalate (MEHP) 0.5 3 1.5 7.6 37
 Monobenzyl phthalate (MBzP) 0.3 0 4.7 18.9 114
 Monocarboxy-isooctyl phthalate (MCOP) 0.2 0 1.1 4.0 19
 Mono(3-carboxypropyl) phthalate (MCPP) 0.2 0 0.8 2.0 9.4
 Monocarboxy-isononyl phthalate (MCNP) 0.2 1 0.4 1.3 9.7
 Creatinine    0.4 1.0 1.8
  1. aConcentrations were standardized for creatinine concentrations and sampling conditions including hour of sampling, gestational age at collection and duration of storage at room temperature before freezing, day of sampling, year of biomarkers assessment
  2. bRestricted to mother-son pairs with biomarker concentrations and IQ scores at 5–6 years available