Cancer cure rates in children are good, but the aggressive chemotherapy often leaves young girls sterile. Eggs are already harvested from sexually mature women who require chemotherapy, but few options are available for younger girls.
The Israeli medical team took immature eggs from girls between the ages of five and 10 years. The eggs were then successfully matured in the laboratory and preserved.
Dr Ariel Revel, from Hadassah University Hospital in Jerusalem, said that they do not know whether the preserved eggs will result in future pregnancies, but they were encouraged by the results so far.
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