Table 2.
Descriptives of the phthalate and DINCH metabolite levels in maternal urine samples collected at 19 weeks (N = 349) and 35 weeks (N = 404).
| 19w |
35w |
Whole pregnancy |
||
|---|---|---|---|---|
| Variable | Name | Median (IQR) | Median (IQR) | Median (IQR) |
| MEP | Monoethyl phthalate | 47.51 (22.16–89.09) | 40.04 (21.03–92.27) | 45.16 (24.16–86.18) |
| MiBP | Mono-iso-butyl phthalate | 11.58 (7.50–17.95) | 11.38 (7.14–18.15) | 11.81 (7.45–17.55) |
| MnBP | Mono-n-butyl phthalate | 10.51 (6.73–15.50) | 9.81 (6.59–16.91) | 10.52 (6.90–16.66) |
| MBzP | Mono benzyl phthalate | 1.24 (0.75–2.15) | 1.16 (0.59–2.13) | 1.19 (0.68–2.05) |
| MEHP | Mono-2-ethylhexyl phthalate | 1.82 (1.05–3.11) | 1.38 (0.68–2.71) | 1.58 (0.81–2.83) |
| MEHHP | Mono-2-ethyl-5-hydroxyhexyl phthalate | 5.68 (3.85–8.30) | 5.06 (3.54–8.68) | 5.63 (3.79–8.30) |
| MEOHP | Mono-2-ethyl-5-oxohexyl phthalate | 4.71 (3.13–7.00) | 4.61 (3.07–7.25) | 4.75 (3.17–6.99) |
| MECPP | Mono-2-ethyl 5-carboxypentyl phthalate | 8.52 (6.31–12.11) | 8.29 (5.79–12.64) | 8.38 (6.21–12.59) |
| oxo-MiNP | Mono-4-methyl-7-oxooctyl phthalate | 4.31 (2.81–7.32) | 4.32 (2.627.333) | 4.48 (2.90–7.03) |
| cx-MiNP | Mono-4-methyl-7-carboxyoctyl phthalate | 7.97 (5.51–11.76) | 7.02 (5.08–11.02) | 7.54 (5.50–11.06) |
| oh-MPHP | 6-Hydroxy Monopropylheptylphthalate | 1.81 (1.17–2.99) | 1.87 (1.13–3.29) | 1.90 (1.18–3.02) |
| oh-MINCH | 2-(((Hydroxy-4-methyloctyl)oxy)carbonyl)cyclohexanecarboxylic acid | 1.94 (1.33–3.37) | 1.71 (1.10–3.13) | 1.87 (1.18–3.08) |
| oxo-MINCH | 2-(((4-Methyl-7-oxyooctyl)oxy)carbonyl)cyclohexanecarboxylic acid | 1.21 (0.73–2.08) | 1.19 (0.71–2.19) | 1.17 (0.71–2.10) |
| sum DEHP | molar sum of MEHP, MEHHP, MEOHP and MECPP (nmol/L) | 67.71 (50.00–99.75) | 63.75 (45.23–102.30) | 68.57 (48.42–100.35) |
| sum DiNP | molar sum of oxo-MiNP and cx-MiNP (nmol/L) | 40.51 (28.22–63.59) | 37.59 (25.55–60.12) | 40.13 (28.36–59.42) |
| sum DINCH | molar sum of oh-MINCH and oxo-MINCH (nmol/L) | 10.19 (6.61–17.78) | 9.66 (6.13–17.81) | 10.12 (6.55–17.59) |
Only the 13 phthalate and DINCH metabolites (and the sums) included in this study are reported.
N: sample size
Units: ng/mL urine
IQR: interquartile range