I'm currently on my third or fourth cycle on the cleanse. (dietsinreview.com)
For best gains in terms of training to positive failure, Yates recommends stopping just before reaching failure most of the time and actually reaching failure every third of fourth cycle of your routine. (fitnessandpower.com)
In women younger than 40 years using their own oocytes (eggs), the live - birth rate for the first cycle was 32 percent and remained above 20 percent up to and including the fourth cycle. (sciencedaily.com)