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Pregnancy and N2O

I am very early in my pregnancy and do not feel comfortable telling the office yet esp since my last one ended in a miscarriage. As an RDH it is very difficult to do that since some of my pts want N20. Is there any new literature or studies done to show correlation between baby and N20? I would like to wait until week 12 to tell the office but there are definitely some N20 pts in my schedule as I feel uneasy seeing them since I am pregnant.. any way out of this? Any reassurance with safety?



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The studies I have found are mostly for patients who are pregnant and the use of nitrous oxide on them – contraindicated. Here is an article related to the dental practitioner and working with nitrous: http://www.dimensionsofdentalhygiene.com/2011/11_November/Departments/Tips_on_Technique.aspx
Here is another link you may find useful: http://www.cdc.gov/niosh/docs/94-100/
I have heard many stories of hygienists who worked with nitrous (administered to patients in their care) and had a spontaneous abortion; sometimes more than once. Personally, I wouldn’t risk it. It’s like you are in between a rock and a hard spot if you don’t want let your office know. For the safety of your little one, it may be a good idea to disclose. I would recommend getting a nitrous indicator (like a radiation badge) if you choose not to disclose – immediately. This is just my opinion! Do what you feel is right in your heart and your gut, but please lean toward “better be safe than sorry.”

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