In vitro vertilization, or IVF, is an infertility treatment. Because of its high cost, it is not often the first choice of treatment. After hormonal treatment to help a woman's body develop more eggs, a doctor will combine those eggs with the partner's sperm and allow them to grow under close observation. When they are ready, they will be put back into the uterus to fully develop. Follow the links below to find WebMD's comprehensive coverage about how in vitro fertilization is done, its cost and success rates, complications, and much more.