A member asked:

Is it ok to leave nuvaring in for 4 weeks and then take a 7 day break? would it affect its effectiveness?

A doctor has provided 1 answer
Dr. Lisa Roazen answered

Specializes in Emergency Medicine

Less effective: NuvaRing only has enough hormone in it to reliably protect against pregnancy when used for 3 weeks straight. If you leave it in for 4 weeks (which is not recommended), replace it immediately without a break to ensure continued hormone levels high enough to prevent ovulation and pregnancy. (Your 4th week was your break!)

Answered 3/28/2018

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