They might be harder to catch - and no doubt leave their mothers more exhausted - but children born to mums over 40 are healthier and brighter than those of younger women.
The offspring of older women are less likely to have accidents or need hospital care and more likely to have been vaccinated early, a study found.
They will also develop a broader vocabulary from a young age and achieve higher scores in IQ tests in a range of measures up to the age of five.
read more