Fertility clinic: Alarm was turned off on failed embryo tank

An alarm system turned off on a fertility clinic storage tank that had been malfunctioning for weeks led to a failure that likely ruined more than 4,000 eggs and embryos, double what the clinic first thought, it said Tuesday.The clinic run by University Hospitals in suburban Cleveland does not know who shut off the alarm or why it happened, according to a letter sent to its patients.The alarm should have alerted staff when the storage tank's temperature began to rise on the weekend of March 4 wh