Depends how much over 40. "At age 40: 44% will have a conception ending in a live birth within one year, 64% will have a conception ending in a live birth withi

Depends how much over 40. "At age 40: 44% will have a conception ending in a live birth within one year, 64% will have a conception ending in a live birth within four years" https://en.wikipedia.org/wiki/Age_and_female_fertility https://en.wikipedia.org/wiki/Age_and_female_fertility