After giving birth to triplets, an apparently healthy Isabel Mason joked with hospital staff about having to buy a bigger car to fit them all in.

Minutes later the 34-year-old British mother had died of an undetected heart condition.

Mason, who had undergone IVF treatment, had enjoyed just over a week with her babies before she died.

The triplets, Mattias, Lukas and Sarah, were born on March 2 last year. Their mother was declared dead at the Royal Hampshire County Hospital eight days later, after falling ill.

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Her devastated husband Paul, 45, was left to raise the triplets. A post-mortem examination revealed Mason died due to blood leaking from an artery into the sac around her heart. The inquest heard it was a rare event but that "multiple pregnancies inevitably increase the strain on someone".