Nishmat's Women’s Health and HalachaIn memory of Chaya Mirel bat R' Avraham

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Told husband I was niddah after IUD replacement

4 May, 2016


I had my Mirena IUD replaced last Friday. I had light spotting immediately after, which I believe was from trauma. Today I was reviewing your site and saw that this does not make you a niddah if it stops within 2 days. Since I did not know this at the time and told my husband that I was a niddah, do I now need to do a hefsek and observe all the halachos of niddah until I can go the the Mikvah?


When a woman declares herself niddah based on misinformation or an error, she may retract once she discovers the error and clarifies the situation.

Therefore, you may consider yourself tehorah since you mistakenly believed you were niddah from the spotting following the IUD replacement. You should continue taking precautions against becoming niddah from any further staining by wearing colored underwear and waiting a few seconds (ideally 15 seconds) after urinating before wiping.

Please feel free to get back to us with any further questions.


This response has been updated to reflect the rulings of our current Rabbinic Supervisor, Rav Kenneth Auman, regarding waiting before wiping.

This internet service does not preclude, override or replace the psak of any rabbinical authority. It is the responsibility of the questioner to inform us of any previous consultation or ruling. As even slight variation in circumstances may have Halachic consequences, views expressed concerning one case may not be applied to other, seemingly similar cases. All health and health-related information contained within Nishmat's Women's Health & Halacha Web site is intended to be general in nature and should not be used as a substitute for consulting with your health care professional. The advice is intended to offer a basis for individuals to discuss their medical condition with their health care provider but not individual advice. Although every effort is made to ensure that the material within Nishmat's Women's Health & Halacha Web site is accurate and timely, it is provided for the convenience of the Web site user but should not be considered official. Advice for actual medical practice should be obtained from a licensed health care professional.

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