Eggs. we can identify them by testing and then selectively freeze those eggs and give even older women the chance. it is just more difficult for them. >> sara, i want to pick up on the career pressure. "business week" reports in a 2013 new york university study of 183 women who had frozen their eggs, 19% said that they might have had a child earlier if the workplace had been more flexible. how much did your career drive your decision? >> not so much. the women i interviewed if my book, contrary wasn't such a big factor in their decision. for them they'd gone through a divorce, they'd gone thro...