By: Amanda Gardner

From: http://health.usnews.com/usnews/health/healthday/080131/study-spots-gene-that-plays-role-in-infertility.htm

 

A gene that’s known for suppressing tumor growth — apparently also keeps immature eggs in the ovary from ripening too quickly. When researchers deleted the PTEN gene in mice, the rodents ran out of their entire supply of eggs while they were still in the mouse equivalent of early adulthood. If ultimately applicable in humans, the revelation could lead to better infertility treatments.