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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Is The Life Span Of A Mirena Coil?

I have endometriosis and was advised after the birth of my second child four years ago to have the mirena coil inserted. The strings are not visable and I had a scan a year ago to confirm it is in the correct position which it is. I have been advised to make an appointment for the removal of the coil next year under general anaesthetic and to get another coil inserted at the same time, is this normal? I have had some pelvic pain recently and spotting, my doctor suspects a cyst but wants to wait as he said after almost five years the hormone in the mirena coil is lowered? Any advise would be appreciated thank you.
Wed, 11 Feb 2015
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OBGYN 's  Response
Hi,
What is your age?
If the mirena strings are not visible, since in your case the the ultrasound showed it to be in correct position, they are probably coiled inside the cervix or lower part of uterus. Do repeat an ultrasound after six months to make sure the coil is in correct place.
After one year get it removed and have a new one inserted. Mirena is licensed for contraceptive use for five years. There is no reason for this procedure to be done under general anaesthesia. If I were your doctor I would first try removing the coil in out patient clinic using long artery foreceps. If I fail to remove it , then I would do it under general anaesthesia.
Sometimes Mirena coil itself causes spotting.
Is the pelvic pain severe? Do you have excessive vaginal discharge/foul smelling discharge etc. Then it suggests pelvic infection and needs investigations and treatment. Are you regular with your pap smears. If you have not had do have one now.
If your doctor suspects ovarian cyst, get a transvaginal ultrasound done NOW to be certain about it. If cyst is present based on the size and appearance it will need investigations and treatment
I hope I have answered to your satisfaction. If you have any further queries do contact me through healthcare magic
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What Is The Life Span Of A Mirena Coil?

Hi, What is your age? If the mirena strings are not visible, since in your case the the ultrasound showed it to be in correct position, they are probably coiled inside the cervix or lower part of uterus. Do repeat an ultrasound after six months to make sure the coil is in correct place. After one year get it removed and have a new one inserted. Mirena is licensed for contraceptive use for five years. There is no reason for this procedure to be done under general anaesthesia. If I were your doctor I would first try removing the coil in out patient clinic using long artery foreceps. If I fail to remove it , then I would do it under general anaesthesia. Sometimes Mirena coil itself causes spotting. Is the pelvic pain severe? Do you have excessive vaginal discharge/foul smelling discharge etc. Then it suggests pelvic infection and needs investigations and treatment. Are you regular with your pap smears. If you have not had do have one now. If your doctor suspects ovarian cyst, get a transvaginal ultrasound done NOW to be certain about it. If cyst is present based on the size and appearance it will need investigations and treatment I hope I have answered to your satisfaction. If you have any further queries do contact me through healthcare magic