Older fathers put health of child and partner at risk by delaying parenthood, study suggests telegraph.co.uk

Men who father children at 45 or older are more likely to have babies born with health problems, a major new study suggests.

The research found that the offspring of older fathers were at greater risk of being underweight and premature. They are also more likely to have seizures and need to be admitted to intensive care.

It has long been known that women who delay motherhood are more likely to have children with health problems.

But today's study by Stanford University, which looked at 40 million births between 2007 and 2016, is the first major piece of long-term research to look at older fathers.

“We tend to look at maternal factors in evaluating associated birth risks, but this study shows…