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Relationship between perinatal antioxidant vitamin and heavy metal levels and the growth and cognitive development of children at 5 years of age.

Abstract：

:To evaluate how prenatal exposure to antioxidant vitamins and heavy metals affects subsequent development. Maternal serum and cord serum levels of antioxidant vitamins (A, E, and C) were determined. Full-state, performance, and verbal intelligence quotients (FSIQ, PIQ, and VIQ, respectively) of 97 children were assessed at 5 years of age. The placental transport ratio (PTR: cord level relative to maternal serum level) of vitamin A (VA) was associated positively with FSIQ score (p=0.041), vitamin E (VE)-PTR was associated positively with PIQ (p=0.002) and FSIQ (p=0.025) scores, and cord serum cadmium (Cd) level was correlated negatively with VIQ score (p=0.025) at 5 years of age. High VE-PTR protected against low PIQ (OR=0.025; p=0.021) and FSIQ (OR<0.001; p=0.004). High maternal age was a protective factor against low VIQ (OR=0.661; 95% CI, 0.500- 0.875; p=0.004) and FSIQ (OR=0.700; 95% CI, 0.512-0.957; p=0.025). A higher maternal education (OR=0.038; 95% CI, 0.003-0.458; p=0.010) and economic level (OR=0.047; 95% CI, 0.004-0.579; p=0.017) were protective against a low FSIQ score. VA-PTR predicted physical growth. VA-PTR and VE-PTR predicted intelligence test performance at 5 years old. High Cd in cord blood may negatively affect subsequent intelligence. :为了评估出生前维生素和重金属暴露对出生后生长发育的影响。我们测定了产妇血清和脐带血中抗氧化维生素（A、E 和C）的含量。本研究共测量了97 名 5 岁儿童的全量表智商、操作智商和语言智商。其中维生素A 的胎盘转运率（PTR）与全量表智商成正相关（p=0.041），维生素E 的胎盘转运率与操作智商（p=0.002）和全量表智商（p=0.025）评分成正相关。脐血镉水平与5 岁儿童的语言智商呈负相关（p=0.025）。较高的维生素E 胎盘转运率是操作智商（OR=0.025；p=0.021）和全量表智商（OR<0.001；p=0.004）的保护因素。高龄产妇是语言智商（OR=0.661；95% CI=0.500-0.875；p=0.004）和全量表智商（OR=0.700；95% CI=0.512-0.957；p=0.025）的保护因素。母亲拥有较高的受教育水平（ OR=0.038 ； 95% CI=0.003-0.458 ； p=0.010 ）和经济水平（OR=0.047；95% CI=0.004-0.579；p=0.017）是全量表智商的保护因素。维生素A 的转运率可以预测出生后的生长发育。维生素A 和维生素E 转运率可以预测5 岁儿童的智力测试水平。脐血中镉的水平越高可能对出生后的智力造成负面影响。.

journal_name

Asia Pac J Clin Nutr

journal_title

Asia Pacific journal of clinical nutrition

authors

Liu Y,Chen Q,Wei X,Chen L,Zhang X,Chen K,Chen J,Li T

doi

10.6133/apjcn.2015.24.4.25

subject

Has Abstract

pub_date

2015-01-01 00:00:00

pages

650-8

issue

eissn

0964-7058

issn

1440-6047

journal_volume

pub_type

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Relationship between perinatal antioxidant vitamin and heavy metal levels and the growth and cognitive development of children at 5 years of age.