期刊
ENVIRONMENT INTERNATIONAL
卷 35, 期 1, 页码 14-20出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.envint.2008.05.012
关键词
Prenatal exposure; Phthalate monoesters; Newborns; Anogenital distance; Amniotic fluid; Urine
资金
- National Science Council, Taiwan [NSC 93-2621-Z-006-005, NSC 94-2621-Z-006-005, NSC 95-2621-Z-006-005]
Phthalates are developmental and reproductive toxicants for the fetus in pregnant rodents, and the ability of phthalates to penetrate the placenta have been reported. The aims of this study were to evaluate the association between maternal urine excretion, the exposure of fetus to phthalates in amniotic fluid, and the health of newborns. Amniotic fluid and urine samples from pregnant women were collected to measure five phthalate monoesters using liquid chromatography/tandem mass spectrometry (LC/MS-MS) and the newborns birth weight. gestational age, and anogenital distance (AGD) were collected. The median levels of three phthalate monoesters in urine and amniotic fluid were 78.4 and 85.2 ng/mL monobutyl phthalate (MBP); 24.9 and 22.8 ng/mL mono-(2-ethylhexyl) phthalate (MEHP): 19.8 and Not Detected monoethyl phthalate (MEP). We found a significant positive correlation only between creatinine adjusted urinary MBP and amniotic fluid MBP (R-2 =0.156, p < 0.05) in all infants and, only in female infants, a significantly negative correlation between amniotic fluid MBP, AGD (R=-0.31, p < 0.06), and the anogenital index adjusted by birth weight (AGI-W) (R=-0.32, p < 0.05). Although the influence of prenatal di-n-butyl phthalate (DBP) exposure on the endocrinology and physiology of the fetus is still a puzzle, our data clearly show that in utero exposure to phthalates in general has anti-androgenic effects on the fetus. (C) 2008 Elsevier Ltd. All rights reserved.
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