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Washington – An analysis based on birth data from the last decade in the United States has linked babies of older parents with various birth risks, including low birth weight and seizures.
The Stanford University California study, published in the British Medical Journal, uses data managed by the Centers for Disease Control and Prevention (CDC) and the National Center for Health Statistics (NCHS).
"We tend to take maternal factors into account when we evaluate the risks associated with birth, but this study shows that having a healthy baby is a team sport and as age the father also contributes to his health, "said the senior author, Michael. Eisenberg, from the California University.
Data from 40.5 million births showed that babies whose parents were "of late father's age," which equates to more than 35 years, presented a higher risk of complications such as a low birth weight, seizures and the need for aerial assistance. birth
In general, the older the father, the higher the risk: men aged 45 and over were 14% more likely to have a premature baby, and men 50 years and older, 28% Hundred percent more likely to have a child requiring admission to the intensive care unit.
Even then, these numbers are not a reason to drastically change a life plan because the risks are "relatively low," said Eisenberg.
The researchers organized the information according to the age of the parents and various parameters likely to deviate the link between the age of the father and the results of the birth, such as the race, the level of education, the state marital, history of smoking, health and age of the mother.
The data suggest that once a father has reached the age of 35, overall birth risks increase slightly, as each year a man ages on average two new mutations in the first year. 39; DNA from his sperm.
For Eisenberg, what most surprised the team was the relationship between the advanced paternal age and the possibility that the mother develops diabetes during pregnancy.
Male couples over the age of 45, for example, were 28% more likely to develop gestational diabetes than parents aged 25 to 34 years.
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