is now an officially sanctioned option for young women whose medical treatments may endanger their fertility.
* informing patients that oocyte cryopreservation
is unlikely to lead to live birth.
"It is too premature to offer oocyte cryopreservation
to the general public, because it is not yet effective," added Pasquale Patrizio, M.D., professor of obstetrics and gynecology and director of the Yale Fertility Center in New Haven.
The first healthy twins were delivered after oocyte cryopreservation
and bilateral ovariectomy for ovarian cancer (112).
Of these, 143, or 51%, currently offer oocyte cryopreservation
. Of those that do not, another 55% said they plan to in the near future, Dr.
is an experimental procedure that should not be offered or marketed as a means to defer reproductive aging, primarily because data on clinical outcomes are limited.
Improvement of oocyte cryopreservation
techniques and research in the area of stem cells may open new possibilities in future (38, 39).
For cancer patients facing chemotherapy, however, oocyte cryopreservation
may be one of the few options available and is acceptable in experimental protocols approved by the institutional review board.
: It has been well introduced that cryopreservation of human gametes and embryos has been known to result in different success rates based on the developmental stages of cells (12).
Unpublished data from this year's World Congress on Human Oocyte Cryopreservation
suggest that the highest U.S.
BOLOGNA, ITALY -- Human oocyte-freezing techniques are improving so rapidly that this procedure soon may be incorporated into routine in vitro fertilization cycles, experts predicted at an international meeting on human oocyte cryopreservation
SAN ANTONIO -- Oocyte cryopreservation
, once considered highly experimental, should now be presented as a viable option to women--especially oncology patients, according to one of the leading experts in this procedure.