IVF helps many couples who cannot conceive naturally. The benefit of IVF is a successful pregnancy and a healthy baby. For people who cannot have children, IVF can make it possible to: Blocked tubes: For women with blocked or damaged fallopian tubes, IVF offers the best chance of conceiving a child using their eggs. Elderly patients with low ovarian reserve: IVF can be used to increase the chances of pregnancy in elderly patients. IVF doctors have good experience in treating older women with low ovarian reserve. They use natural IVF to focus on egg quality rather than quantity.