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IUD size?

I'm having trouble finding information on this -- what are the sizes for the IUDs available in the US (Paragard and Mirena)? My Paragard is expelling (sadface) and I will be having it removed and a new one placed soon, but my uterus measures 6cm so I'd like to give it the smallest "alien baby" possible.

Comments

( 7 comments — Leave a comment )
cork118
Aug. 11th, 2010 10:37 pm (UTC)
IIRC, the Mirena is a millimeter or two shorter in length than the Paragard, but overall they are very similar in size.
auttuum
Aug. 11th, 2010 10:53 pm (UTC)
the copper iud is shorter. (the size depending on the surface area of copper in the iud. there are several available throughout the world) I'm canadian, and I just got the NovaT200. (the number "200" represents 200mg of copper, and likewise in other models.) its the smallest, and shortest lived at 30 months max recommended use. The mirena, as I've read, is the largest IUD available. I'm a small girl too, and was concerned for the same reasons. Hense, I went for the NovaT...among other reasons of course.
Hope this helps. Good luck!! :)
sightlessunless
Aug. 11th, 2010 11:06 pm (UTC)
"The ParaGard® T 380A intrauterine copper contraceptive is a T-shaped device (IUD), measuring 32 mm horizontally and 36 mm vertically with a 3 mm diameter bulb at the tip of the vertical stem." (http://www.familypracticeofatlanta.com/family-planning-exams.php)

"The [Mirena] T-body is 32 mm in both the horizontal and vertical directions." (http://www.rxlist.com/mirena-drug.htm)

Those are the only two options approved by the FDA in the US.
nialee
Aug. 12th, 2010 12:11 am (UTC)
The Paragard and Mirena are very similar in size, though the Mirena is slightly shorter, more flexible, and the arms curve down so they have a lower rate of expulsion. The minimum uterus size for Mirena insertion is 6cm. I myself have a Mirena and I've had no problems, and my uterus is BARELY 6cm. (In fact, I suspect my doctor even fudged by a millimeter or two). My uterus is also tilted. Insertion was hard, but it's staying in.
flavorcrystals
Aug. 12th, 2010 01:26 am (UTC)
The recommended uterine size for both devices available in the US is between 6 and 9 cm.

I, too, sounded at 6cm, and I'm paranoid about expulsion. Kudos to you for trying again!
draba
Aug. 14th, 2010 12:33 am (UTC)
My uterus is also apparently only 6 cm, and my Paragard is fine-- after 6 months; the first 3 or so involved 2 weeks of cramps each months before my period came-- yuk. Maybe if you tried the Paragard again, it would stay in-- although I understand completely if you really don't want to!!
I have definitely seen mention on this forum of smaller, Canadian and European copper IUDs, which could definitely be better for you.

Good luck! I hope you find something that works for you. :)
flavorcrystals
Aug. 16th, 2010 04:31 pm (UTC)
Personally, I'm glad to hear this =]
( 7 comments — Leave a comment )

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