
But the Eastern Virginia Medical School study of 5,000 families found language development in children whose mothers had similar symptoms seemed unaffected.
Researchers said by the age of two, children with depressed fathers used 1.5 fewer words than the average of 29.
This could be because depressed fathers spent less time reading to their children, they wrote in New Scientist.
The researchers, led by paediatric psychologist James Paulson, surveyed about 5,000 families.
James Paulson Eastern Virginia Medical School |
Ruth Coppard, a psychologist with an interest in child development, said depressed people tended to withdraw and go quiet, but that women often had no choice, but to continue with child care duties regardless.