BARCELONA (Reuters) - A new technique may help newly diagnosed cancer patients preserve their eggs, and perhaps their fertility, before chemotherapy, German researchers said on Monday. Currently, many women collect and freeze some of their eggs to try to have children after their cancer treatment, which can make them infertile. The process can take up to six weeks. But if a cancer diagnosis comes at the start of the menstrual cycle, many women are unable to delay chemotherapy and preserve their eggs, Michael Von Wolf told the European Society of Human Reproduction and Embryology.