The process, which would carry significant safety concerns, involves removing the nucleus from a woman's skin cell and inserting it into an egg, or oocyte. Human skin cells may one day be used to create functional human eggs in a step toward helping women have their own genetic children when their natural eggs are dysfunctional, according to very early lab experiments reported in a scientific journal on Tuesday. The process, which would carry significant safety concerns, involves removing the nucleus from a woman's skin cell and inserting it into an egg, or oocyte, from which the nucleus has b...