Relationship between exposure of alkylphenols in serum of pregnant women during early pregnancy and adverse birth outcomes
2022
Jiang, Qunjiao | Liu, Runfeng | Liu, Tao | Liang, Jun | Wu, Yanan | Feng, Baoying | Liu, Shun | Li, Han | Pan, Dongxiang | Qiu, Xiaoqiang | Huang, Dongping
Alkylphenols are a type of endocrine disruptors, which are commonly found in personal care products, food, and water and are more harmful to the human body. To investigate the relationship between exposure of alkylphenols in serum of pregnant women during early pregnancy and adverse birth outcomes, a total of 2035 healthy pregnant women and their neonates were recruited in the birth cohort of Zhuang nationality in Guangxi from 2015 to 2018. The peripheral venous blood samples were collected from pregnant women in early pregnancy; the concentrations of nonylphenol (NP), 4-nonylphenol (4-N-NP), 4-tert-octylphenol (4-T-OP), and 4-n-octylphenol (4-N-OP) in serum were detected by ultra-performance liquid performance chromatography-tandem mass spectrometry (UPLC-MS). Binary logistic regression showed that NP [OR = 1.40 (95% CI: 1.00, 1.94)] was positively associated with preterm birth. Restricted cubic spline analyses showed that logNP and log4-T-OP had non-linearity associations with preterm birth (logNP: Pₒᵥₑᵣₐₗₗ = 0.006, Pₙₒₙ₋ₗᵢₙₑₐᵣ = 0.003; log4-T-OP: Pₒᵥₑᵣₐₗₗ = 0.004, Pₙₒₙ₋ₗᵢₙₑₐᵣ = 0.002). Multiple linear regression analysis showed that maternal serum concentration of NP was negatively associated with birth weight of perinatal infants (β = −14.68, 95% CI: −29.18, −0.19), which may be sensitive in male neonates (β = −26.18, 95% CI: −47.33, −5.02). The findings demonstrate that nonylphenol is a risk factor of preterm birth, and nonylphenol is negatively associated with the birth weight in male infants.
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