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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Tsai, Ming-Song Liao, Kai-Wei Wang, Tzu-Hao Hwang, Shiaw-Min Chang, Chia-Huang Mao, I-Fang Tsai, Yen-An Chen, Mei-Lien Chang, Yu-Jen |
| Spatial Coverage | Taiwan |
| Description | Country affiliation: Taiwan Author Affiliation: Tsai MS ( Department of OBS & GYN, Cathay General Hospital, Taipei, Taiwan.) |
| Abstract | BACKGROUND: Nonylphenol (NP) is an environmental hormone with proven estrogenic effects. Although its adverse effects on animals are well documented, the effects of NP exposure on humans remain unclear, and those on the human foetus are completely unknown. This study explores the effects of intrauterine NP exposure on neonates. METHODS: A cohort of pregnant women was established in a medical centre in northern Taiwan. Urine samples from the first, second, and third trimesters of gestation were collected. Urinary NP concentration was measured by high-performance liquid chromatography coupled with fluorescent detection. Neonatal outcomes were evaluated immediately after delivery. A mixed-effects model using a generalised estimating equation was applied to assess the association between gestational age, maternal body weight, and maternal NP concentration throughout the three trimesters. A multivariable regression model was used to determine the association between maternal NP level in urine in each trimester and neonatal outcomes. RESULTS: In total, 162 singleton pregnant women completed this study through delivery. The geometric mean of creatinine-adjusted urinary NP concentrations were 4.27 µg/g, 4.21 µg/g, and 4.10 µg/g in the first, second, and third trimesters, respectively. Pregnant women whose urinary NP concentrations were above the median in the second trimester had low maternal weight gain (ß=-1.55 kg, p=0.02) and short neonatal body length (ß=-0.47 cm, p=0.04). Women with an above-median urinary NP concentration had an odds ratio of having a small for gestational age (SGA) neonate of 7.81 (p<0.05). CONCLUSIONS: This study indicates that maternal high NP exposure in the second trimester is associated with SGA, decreased foetal body length at birth, and low maternal weight gain. The effects of this endocrine-disrupting substance on pregnant women and foetuses should be a concern during gestation. |
| ISSN | 00489697 |
| Volume Number | 458-460 |
| e-ISSN | 18791026 |
| Journal | Science of The Total Environment |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-08-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Endocrine Disruptors Toxicity Fetus Drug Effects Phenols Prenatal Exposure Delayed Effects Chemically Induced Body Size Chromatography, High Pressure Liquid Cohort Studies Urine Female Gestational Age Humans Infant, Newborn Longitudinal Studies Models, Statistical Pregnancy Regression Analysis Taiwan Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Waste Management and Disposal Pollution Environmental Engineering |
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