I was wondering why those places served frozen eggs to their patients in the first place before I understood which eggs we were talking about here

This is the best summary I could come up with:

The Human Fertilisation and Embryology Authority (HFEA) confirmed the issue was limited to Guy’s and St Thomas’ assisted conception unit in London, and Jessop Fertility in Sheffield.

Sheffield teaching hospitals NHS trust, where the clinic is based, said it had identified 29 people who had eggs or embryos frozen in August 2022, when the particular product batch was used.

The statement came after the leading London hospital Guys and St Thomas’ apologised to more than 100 women after their eggs and embryos were probably damaged during the freezing process at its NHS-operated clinic.

Guy’s and St Thomas’ NHS foundation trust said the manufacturing issue may adversely affect the chance of a frozen egg or embryo’s survival during thawing.

The spokesperson said: “We were made aware of a manufacturing issue with some bottles of a solution that may have been used to freeze eggs and embryos in our assisted conception unit in September and October 2022.”

One patient at Guy’s told the Times: “The doctor informed me that the eggs I had frozen are unlikely to be viable, due to a faulty freezing process.

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