Table 2.
Distribution of urinary concentrations (μg/L) of phthalate metabolites among 138 women contributing 331 urine samples in the EARTH Study.
| Detection Frequencya % | GM (SD) | 10th | 25th | 50th | 75th | 95th | |
|---|---|---|---|---|---|---|---|
|
| |||||||
| Mono-n-butyl phthalate (MBP) | 98 | 10.1 (0.73) | 1.70 | 4.80 | 11.9 | 25.4 | 66.1 |
| Mono-isobutyl phthalate (MiBP) | 99 | 7.87 (0.54) | 1.60 | 3.40 | 9.50 | 18.9 | 47.4 |
| Monoethyl phthalate (MEP) | 100 | 38.6 (3.11) | 6.60 | 14.5 | 33.1 | 98.3 | 477 |
| Monobenzyl phthalate (MBzP) | 95 | 3.50 (0.28) | 0.50 | 1.22 | 3.20 | 8.70 | 34.2 |
| Mono-2-ethylhexyl phthalate (MEHP) | 75 | 1.70 (0.12) | 0.35 | 0.35 | 1.60 | 3.60 | 20.6 |
| Mono-2-ethyl-5-hydroxyhexyl phthalate (MEHHP) | 100 | 9.11 (0.62) | 1.90 | 3.90 | 8.70 | 19.7 | 78.8 |
| Mono-2-ethyl-5-oxohexyl phthalate (MEOHP) | 100 | 6.49 (0.43) | 1.30 | 3.00 | 6.70 | 13.5 | 47.7 |
| Mono-2-ethyl-5-carboxypentyl phthalate (MECPP) | 100 | 16.0 (0.97) | 3.90 | 7.20 | 16.0 | 30.5 | 116 |
Per IVF cycle (N total = 179), 1 (N = 27, 15%) or 2 (N = 152, 85%) urine samples (N = 331 total) were collected.
a
Limits of detection (LOD) ranged from 0.1 to 1.2 ng/ml.