Fertility patients at two clinics in England have been exposed to a faulty egg and embryo-freezing solution that might have impaired their chances of having children, the industry regulator has said.
Freezing eggs or embryos is a standard part of fertility treatment, allowing women to have families later in life or before undergoing medical treatment for conditions such as cancer.
Guy s Hospital in London apologised on Tuesday for an almost year-long delay in contacting 136 patients possibly affected at its assisted conception unit after it was told of a manufacturing flaw.