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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Is Pregnancy Possible While On An IUD?

I had unprotected sex on September 29th. I’m on a hormonal IUD, so my periods are always super light or not present at all. I’m also on spironlactone, which is a diuretic. I took a pregnancy test on October 22 and it came back negative, and I want to trust it, but I wanted to get another opinion. Is it possible that the test was false? Or can I trust it?
posted on Sat, 28 Oct 2017
Twitter Fri, 29 Dec 2017 Answered on
Twitter Tue, 2 Jan 2018 Last reviewed on
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General & Family Physician,  's  Response
Hello,
i can understand your concern. IUD failure rate is around 0.8% which means it is very protective against pregnancy. None the less a small percentage of women can get pregnant.
Since your urine pregnancy test is negative, there is very little reason to worry about pregnancy. To be doubly sure you can get a blood test for hcg or repeat the urine test after a week if you donot get period till then.
Spironolactone has no interaction with the hormones so it is not an issue.

Hope this helps.
Thanks for choosing HCM
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Is Pregnancy Possible While On An IUD?

Hello, i can understand your concern. IUD failure rate is around 0.8% which means it is very protective against pregnancy. None the less a small percentage of women can get pregnant. Since your urine pregnancy test is negative, there is very little reason to worry about pregnancy. To be doubly sure you can get a blood test for hcg or repeat the urine test after a week if you donot get period till then. Spironolactone has no interaction with the hormones so it is not an issue. Hope this helps. Thanks for choosing HCM