watch: secretary of state and sinn fein's martina anderson in row at balmoral show  .

"it's a very exciting time," klugman said. "this is exactly where we would like prenatal diagnosis to go -- to be able to act on it.".

shocking figures uncovered by labour show some patients are suffering agonising waits of as many as 541 days to begin treatment.

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"to be honest, that was what i had almost expected," she said.