1 doctor weighed in:

How fast does it take the IUD to work?

1 doctor weighed in
Dr. Pavel Conovalciuc
Family Medicine

In brief: Depends

Copper iud, paraguard, works right after incertion, whereas Mirena (levonorgestrel) may take a full cycle to become effective, so if you had Mirena (levonorgestrel) inserted, you will need to use alternative contraception for the first month.

In brief: Depends

Copper iud, paraguard, works right after incertion, whereas Mirena (levonorgestrel) may take a full cycle to become effective, so if you had Mirena (levonorgestrel) inserted, you will need to use alternative contraception for the first month.
Dr. Pavel Conovalciuc
Dr. Pavel Conovalciuc
Thank
Get help from a real doctor now
Dr. Adam Levy
Board Certified, Obstetrics & Gynecology
33 years in practice
1M people helped
Continue
108,000 doctors available
Read more answers from doctors