Delivery of a Healthy Infant Following Nonsurgical Ovum Transfer

To the Editor.— We wish to announce the birth of a healthy infant to an infertile nulligravid woman following nonsurgical recovery and transfer of an in vivo fertilized donated ovum.1,2 The infertile recipient, a woman in her 30s with an eight-year history of infertility and multiple operations for endometriosis, experienced a spontaneous luteinizing hormone (LH) peak two days prior to the donor. The donor was a healthy, fertile woman who matched the recipient couple for blood type and Rh and hair and eye color. On the day of the LH peak, the donor was inseminated with semen from the recipient's husband. Five days later uterine lavage was performed on the donor. The recovered blastocyst was transferred to the uterus of the infertile woman. Six days later, beta human chorionic gonadotropin was detected in the recipient's serum. Thirty-three days after the transfer, pelvic ultrasound revealed a well-developed uterine sac with