. 2018 Dec 4;34(1):109–117. doi: 10.1093/humrep/dey337

Table II.

Distribution of phthalate, paraben and phenol biomarker concentrations (ng/g creatinine) in prenatal and peripubertal urine samples.

	LOD (ng/L)	Detection Frequency	Geometric mean	Percentiles
Biomarker	LOD (ng/L)	Detection Frequency	Geometric mean	25th%	50th%	75th%	90th%
Prenatal^a
MEP	0.6	99.8%	203.3	85.7	208.6	435.0	866.1
MBP	0.4	99.2%	24.1	13.4	22.4	42.6	71.0
MiBP	0.2	94.4%	3.0	1.7	2.8	5.4	8.7
Triclosan	2.3	73.2%	19.9	<LOD	16.7	112.1	313.4
Benzophenone-3	0.4	99.5%	23.5	4.5	15.4	136.9	590.9
Methyl paraben	1	99.9%	136.4	63.9	149.3	345.1	544.2
Propyl paraben	0.2	96.8%	34.5	9.6	40.8	151.9	403.8
2,4-dichlorophenol	0.2	100.0%	5.1	2.0	3.5	12.8	38.0
2,5-dichlorophenol	0.2	100.0%	64.6	14.3	50.6	378.6	763.7
Peripubertal^b
MEP		NA^c	–	–	–	–	–
MBP		NA^c	–	–	–	–	–
MiBP		NA^c	–	–	–	–	–
Triclosan	2.3	68.7%	8.0	<LOD	6.0	22.4	184.1
Benzophenone-3	0.4	99.7%	17.2	5.8	13.6	36.5	148.0
Methyl paraben	1	99.7%	44.9	17.1	38.6	115.0	324.2
Propyl paraben	0.2	97.1%	4.9	1.1	2.8	21.3	107.4
2,4-dichlorophenol	0.2	94.8%	1.0	0.5	0.9	1.9	3.6
2,5-dichlorophenol	0.2	95.5%	2.2	0.8	1.6	4.0	17.2

^aAverage of concentrations in two maternal urine samples collected in pregnancy.

^bOne child urine sample collected at 9 years of age.

^cMEP, MBP and MiBP were not measured in child urine samples.

LOD = limit of detection.