Abstract Title:

[A birth cohort study of the association between prenatal serum bisphenol A concentration and infant neurobehavior development].

Abstract Source:

Zhonghua Yu Fang Yi Xue Za Zhi. 2020 Jun 6 ;54(6):644-650. PMID: 32842280

Abstract Author(s):

L J Dou, Q F Zhang, H H Bao, W K Wu, J Sheng, S Q Yan, Y Y Xu, C L Gu, K Huang, H Cao, P Y Su, F B Tao, J H Hao

Article Affiliation:

L J Dou


To explore the association between maternal bisphenol A (BPA) exposure during pregnancy and neurobehavioral development in infant.Participants were from the Ma'anshan Birth Cohort, which was established from October 2008 to October 2010 based on four municipal medical and health institutions in Ma'anshan. High-performance liquid chromatography-tandem mass spectrometry was applied for the determination of serum BPA concentration in 1 783 pregnant women sampled at their first filing, and during 2.97 to 28.1 months age of the infants. Neurobehavioral development were assessed by 0-6-year-old pediatric examination table of neuropsychological development. Generalized linear model was used to analyze the association between serum BPA levels during pregnancy and infants' neurobehavioral development.A total of 931 mother-child pairs had complete data on serum BPA detection during pregnancy and assessment of infants' neurobehavioral development status. The age of pregnant women at their first filing was (26.67±3.45) years old, and the(,) of serum BPA concentration (ng/ml) was 0.23 (0.11, 0.52), with a detection rate of 84.1% (783/931). The age of infants was (13.18±5.46) months, and 53.5% (498) were boys. The developmental quotient scores of large motor, fine motor, adaptive ability, language ability and social behaviors of infants were (97.88±16.32), (97.16±15.35), (99.64±15.47), (95.3±16.04) and (98.95±14.76) points, respectively. Generalized linear model showed that after adjusting for factors such as delivery mode, feeding mode, family per capita monthly income, preterm delivery, gender, maternal age, residence, pre-pregnancy body mass index and residence time, serum BPA level in pregnancy was negatively associated with infant's development ofsocial behavior [β (95%):-2.42 (-4.71, -0.12)]. The post-stratification analysis by infant age revealed that the serum BPA level in pregnancy was only negatively associated with the development of language and social behavior developmental quotient scores in infants between the ages of 12 and 18 months, withβ (95%) about -6.66 (-13.06, -0.25) and -7.401 (-12.97, -1.83), respectively.BPA exposure during pregnancy affects language and social behavior development in infants, and the detection window is between 12 and 18 months old of the infant.

Study Type : Human Study

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