How effective is the Mirena coil? |
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Dear Ask The Doctor: Can you get pregnant on the mirena coil Dear Lorraine: Mirena is an intrauterine system (IUS) contraceptive device that contains the active ingredient levonorgestrel. Mirena is very effective in protecting against pregnancy. Its effectiveness rate isaround 99 per cent and should start to protect you against pregnancy as soon as it's been put in. |
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| Last Updated ( Wednesday, 18 January 2012 ) |
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