The January 2010 issue of Good Housekeeping discusses one of the Oncofertility Consortium's techniques.

From Good Housekeeking, Jan 2010.

One of the cruelties of cancer treatment for a young woman is that while it may save her life, it also may leave her infertile.  But now a patient about to undergo chemo or radiation can have an ovary removed, then frozen in strips, ready to be reimplanted after treatment--making it possible for her to become pregnant.  The procedure, called ovarian tissue cryopreservation, has resulted in 14 births so far, with most mothers conceiving naturally.  Cryopreservation is available at 30 facilities around the country: for info, go to myoncofertility.org.