Chances of Pregnancy with Surgical Sperm Retrieval

"The success rate also depends on the quality off eggs of his wife, nature and the condition of the uterus. But given that all these three things are optimal , then the probability of getting pregnant or cycle is about 35% to 40% and if his wife produces plenty of eggs say about 15 or 20, then we should have about enough embryos to make, say 2 or 3 at times, by which time the probably cumulatively rises to about 80%"