With donor eggs, the chances of getting pregnant stand at 50-70% per cycle for women in their forties. It should be kept in mind that uterine receptivity might decline with advanced age. The reasons behind it might include biochemical and/or molecular aberrations of the endometrial lining, incidence of pathological conditions in the uterus (e.g. polyps, myomas...), hypertension, etc.
Suggested for you: Can a Woman Get Pregnant at Age 50? – Chances & Risks, Donor-Egg IVF Procedure for Recipients – Protocol & Cost, Pregnancy over 40 – Chances of Getting Pregnant & Risks, What Are the Chances of Getting Pregnant with Donor Eggs? and What’s Being an Egg Donor Recipient Like? – Preparation & Process.