By Jo Knowsley and Sharon Churcher Controversial: Experts have warned thousands of women to stop using the NuvaRing, pictured A British woman has been stricken with potentially deadly blood clots after being put on a controversial new contraceptive that allegedly killed a 24-year-old US law student last year. Thousands of UK patients are being warned to stop using NuvaRing by experts who have told The Mail on Sunday it puts women at a far higher risk of heart attacks and strokes than traditional forms of birth control. Marketed by pharmaceutical giant Merck, the device is available free on the NHS.
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British woman seeking legal advice after suffering blood clots in her lungs
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44-year-old claims they developed after she started using NuvaRing
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Last year Erika Langhart, 24, died when ring allegedly caused heart attacks
Some 9,000 British women have used it since its approval by @placeholder regulators  in 2008.