期刊
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷 29, 期 56, 页码 85547-85558出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-022-21769-8
关键词
Phthalates; Prenatal mixed exposure; Children's neurodevelopment; Gender-specific
资金
- National Key R&D Program of China [2020YFE0201600]
- National Natural Science Foundation of China [82073504, 82160604]
- Guangxi science and technology project [GKG1598011-3]
The study found that boys may be more vulnerable to the neurotoxic effects of phthalates, particularly mono-2-ethyl-5-hydroxyhexyl phthalate (MEHHP) which has adverse effects on boys' gross motor skills. Adverse effects of phthalates on children's neurodevelopment were also discovered in the 1st and 2nd trimesters. Therefore, supplementing appropriate elements during these periods may help reduce the detrimental effects of phthalates on children's neurodevelopment, especially among boys.
Phthalates have been shown to have adverse effects on neurodevelopment, which may be gender-specific. However, the association between prenatal mixed exposure to phthalates and children's neurodevelopment remains inconsistent. We measured 15 prenatal serum phthalate levels and evaluated children's neurodevelopmental indicators using Gesell Developmental Schedule (GDS) (n = 750). Generalized linear regression was fitted to examine the association. Among boys, mono-2-ethyl-5-hydroxyhexyl phthalate (MEHHP) had adverse effects on gross motor [odds ratio (OR): 7.38, 95% confidence interval (CI):1.42, 38.46]. For gross motor in boys, joint effect was discovered between mono-2-ethylhexyl phthalate (MEHP) and MEHHP. Moreover, synergistic effects were found for MEHP with vanadium and cadmium, and antagonistic effects for MEHP with magnesium, calcium, titanium, iron, copper, selenium, rubidium, and strontium. We did not find statistically significant relationships in girls. In the 1st trimester, adverse effects were identified between mono-2-ethyl-5-oxoyhexyl phthalate (MEOHP) and adaptation (P = 0.024), and monomethyl phthalate (MMP) with social area (P = 0.017). In the 2nd trimester, MEHHP had adverse effects on social area (P = 0.035). In summary, we found boys may be more vulnerable to the neurotoxicity than girls in gross motor, and we also discovered the detrimental effects of phthalates on children's neurodevelopment in the 1st and 2nd trimesters. Therefore, the supplementation of appropriate elements in the 1st and 2nd trimesters may help reduce the adverse effects of phthalates on children's neurodevelopment, especially among boys.
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