Journal
EUROPEAN JOURNAL OF PEDIATRICS
Volume -, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1007/s00431-023-05025-w
Keywords
Paternal age; Congenital anomaly; Structural anomaly; Chromosomal anomaly; Birth risks
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The study aimed to investigate the impact of paternal age on the risk of congenital anomalies and birth outcomes in infants born in the USA between 2016 and 2021. Using data from the National Vital Statistics System (NVSS) database, the study found that advanced paternal age (>44 years) was associated with an increased risk of congenital anomalies, especially chromosomal anomalies, in offspring. The risk of preterm delivery, low birth weight, and neonatal intensive care unit (NICU) hospitalization was also increased with advanced parental age.
The objective of the study was to explore the impact of paternal age on the risk of congenital anomalies and birth outcomes in infants born in the USA between 2016 and 2021. This retrospective cohort study used data from the National Vital Statistics System (NVSS) database, a data set containing information on live birth in the USA between 2016 and 2021. Newborns were divided into four groups based on their paternal age (< 25, 25-34, 35-44, and > 44 years) and using the 25-34 age group as a reference. The primary outcomes were congenital anomalies involving structural anomalies and chromosome anomalies. Secondary outcomes were preterm birth, low birth weight, severe neonatal perinatal asphyxia, and admission to neonatal intensive care units (NICU). A multivariable logistic regression model was used to analyze the association between paternal age and outcomes. Overall, 17,764,695 live births were included in the final analyses. After adjusting confounding factors, advanced paternal age > 44 years was associated with increased odds of congenital anomalies (adjusted odds ratio (aOR) = 1.17, 95%CI 1.12-1.21) compared with the 25-34 age group, mainly for the chromosomal anomalies (aOR = 1.59, 95%CI 1.40-1.78) but not the structure anomalies (aOR = 1.03, 95%CI 0.97-1.09). The risk of preterm delivery, low birth weight, and NICU hospitalization in their infants was increased by advanced parental age as well.Conclusion: Advanced paternal age increases the risk of congenital anomalies, especially chromosomal anomalies in their offspring, implying prenatal genetic counseling is required.
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