"Young women should freeze parts of their ovaries if they want to postpone motherhood until later in life, a US fertility expert has said. Dr Sherman Silber told the American Society for Reproductive Medicine meeting in Denver a woman could freeze her ovary at 19 to use when she was 40. Dr Silber, who says the procedure would work better than egg freezing, did the first full ovary transplant in 2007." (Quoted from article)