Ovarian Transplant Recipient Gives Birth Twice
First Child Was Born After Fertility Treatment, but Seconnd Child Was Conceived Naturally
Feb. 24, 2010 -- A former cancer patient in Denmark who had an ovarian transplant and gave birth to a daughter after IVF has had another child who was conceived naturally.
Doctors in Denmark are hailing the case as a medical first.
''We performed IVF [in vitro fertilization] initially, and expected to do that for the second child also," says Claus Yding Andersen, MD, a professor in human reproductive physiology at the University Hospital of Copenhagen, who reports the case in the journal Human Reproduction. ''However, this wasn't necessary and it turns out that maybe we do not need to do assisted reproduction in many of the cases," he tells WebMD in an email interview.
The news did not surprise a U.S fertility expert, who tells WebMD most of his transplant patients have conceived naturally. ''They just get pregnant naturally with intercourse," says Sherman Silber, MD, director of the Infertility Center of St. Louis, at St. Luke's Hospital.
Still, Andersen says that "we are surprised [at] how robust the procedure turns out and how long the transplants actually remain functional. We have other women who have had functional tissue for more than five years, having been transplanted with somewhat more tissue."
Although the numbers of transplants, pregnancies, and births resulting from ovarian transplants are in constant flux, Silber estimates about 50 ovarian transplant attempts have been made worldwide, with 13 at his center. Andersen says 15 women have received transplants with frozen or thawed tissue at his center.
In his paper, Andersen says before the Danish woman's second delivery, eight children worldwide had been born as a result of transplanted frozen or thawed ovarian tissue. Silber says the number is now higher. "We have 10 children [from his center] already,'' he says.
Timeline of a Medical First
The mother, Stinne Holm Bergholdt, now 32, was diagnosed with Ewing's sarcoma, a cancer of the bone or soft tissue, at age 27 in 2004. Before undergoing toxic cancer treatments, doctors retrieved part of her right ovary and preserved it by freezing. Her left ovary had been removed previously because of a cyst.