The government's health rationing watchdog, NICE, says the age limit for IVF treatment in England and Wales should be raised from 39 to 42.
NICE says is has been able to change its guidance because of a number of key medical advances.
ITV News Medical Editor Lawrence McGinty reports:
The guidelines by the government's health advisory board, NICE, mean more couples are eligible for treatment.
Today's fertility treatment guidelines offer hope to couples unable to conceive, but they need to be properly implemented, across the NHS.