A member asked:

When is nuvaring effective ?

3 doctors weighed in across 2 answers

NuvaRing: If you begin the NuvaRing with your period it should be effective right away. If you start it at any other time use a back up method for at least 7 days. After 7 days the NuvaRing should be fully effective (98 % effective).

Answered 6/30/2014

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Dr. Justin Diedrich answered

Specializes in Gynecology

Pretty quickly but..: The ring starts working very quickly but you should use a backup method of contraception for a week if you are not switching from another hormonal contraceptive method.

Answered 10/24/2017

4.1k views

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