2 very early cases of organ transplantation, in this case of sections of healthy ovaries from fertile women to women unintentionally or unknowingly subjected to oophorectomy, are described; the paper concentrates on surgical technique, for the outcome is preliminary at the time of publication. The surgeon involved found donors willing to lose portions of their ovarian tissue, for various reasons, who were proven fertile. In 1 case of transplantation, the recipient was made ready for transplantation concurrently with the donor, and no storage of organs was necessary; in the other, ovarian material was stored in saline for a period of time, and upon reintroduction to a pelvic cavity the material immediately became reinfused and appeared healthy. Neither of the recipients had begun menstruating postsurgery at the time of this article's publication (about 6 months postoperatively), but signs were hopeful. The technique is spelled out in a step-wise manner.