"The Brown researchers' innovation was using a honeycomb-shaped mold to support the egg. Human eggs are too large to be grown without some kind of support structure. "If you try to grow it by itself, in a dish, it basically collapses on itself," says [Stephan] Krotz, now a reproductive endocrinologist and fertility specialist at the Advanced Fertility Center of Texas."In other, somewhat related news, researchers in Cairo announced that they've been able to restore ovarian function to rats using embryonic rat mesenchymal stem cells.
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