Fatherhood After 40? It Is Becoming Lots Extra Commonplace : Photographs

And, in England, fathers aged 35 to 54 account for 40 percent of live births , according to this 2006 study.
Of the roughly 4 million births each year in the U.S., about 9 percent of fathers are over 40.
In 1972, the average age of fathers of newborns in the U.S. was 27.
Fatherhood After 40?
Some reports have found “increased risk of autism, psychiatric illness, neurologic disease … and chromosomal abnormalities in children born to older fathers,” writes Eisenberg and his coauthors in the manuscript.

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