Health risks increase for babies born to fathers aged 45 or over

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Babies whose fathers are 45 years old or over are more likely to be less healthy at birth, according to a study of more than 40 million deliveries.

On average children of older fathers were born 20.2 grams lighter and had a 14 per cent greater risk of low birth weight than infants born to fathers aged 25 to 34. Babies with fathers aged 45 or older also had a 14 per cent higher chance of being admitted to a neonatal intensive care unit and were 14 per cent more likely to be premature than those born to younger fathers.

The figures come from an analysis by researchers at Stanford University in California of 40 million live births that took place in the US between 2007 and 2016. They report the relative risk rather than the absolute risk, meaning it is still only a small number of births that require…

For the rest of the article, please visit https://www.newscientist.com/article/2184244-health-risks-increase-for-babies-born-to-fathers-aged-45-or-over/.

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Last modified: November 5, 2018

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