Ovulation induction is one of the most common procedures in the treatment of human infertility. The objective of ovulation induction is to stimulate the ovaries to develop one or more oocytes for fertilization by sperm cells. Normally ovulating women usually produce one oocyte every 28 days. With ovulation induction medication the number of oocytes can be increased. The purpose of this section of the web site is to help you understand this process by increasing your knowledge of basic ovarian function, different medications used for ovulation induction, how the medications work, estimated pregnancy rates and potential side effects.