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| | Persona non grata | Special reports | Guardian Unlimited |
 | | When Persona, the first technological piece of contraception, burst on to the market in October 1996, it seemed a godsend to Mandy Mayes, a mother of five-year-old twins. |
 | | A neat, hand-held computerised monitor, it acts on the same principles as the rhythm method by predicting when a woman is in the fertile or infertile part of her cycle. |
 | | Used correctly, Persona purports to be 94% reliable with just six women a year, or one in 17, becoming pregnant due to the machine incorrectly identifying their fertile days. |
| www.guardian.co.uk /medicine/story/0,11381,736457,00.html (1196 words) |
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