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Eggs, Embryos Possibly Damaged at California Clinic


FILE - An employee checks oocytes and embryos (in the sealed test tubes) in tanks filled with liquid nitrogen in a storage room at a reproductive center.

A San Francisco fertility clinic says thousands of frozen eggs and embryos may have been damaged after a liquid nitrogen failure in a storage tank.

Dr. Carl Herbert, president of Pacific Fertility Clinic, told the Washington Post on Sunday that officials have informed some 400 patients of the failure that occurred March 4.

Herbert says the clinic's staff thawed a few eggs and found they remain viable. He says they have not checked any of the embryos.

A call to the clinic from The Associated Press seeking further details was not immediately returned Sunday.

It's the second such failure at a U.S. clinic in a matter of days. Last week, an Ohio hospital said more than 2,000 frozen eggs and embryos may have been damaged due to a refrigerator malfunction.

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