What happens if the expiration is ignored with a Mirena IUD?

The FDA requires a wide safety gap between the expiration time of drugs taken orally or released by other methods such as Mirena and their actual time of ineffectiveness. So for a time nothing will happen. read more

Most people would recommend you removing it after expiry. Nothing may happen, but I wouldn't want my wife to have an expired Mirena in for a long time because I wouldn't want her to develop uterine infection. That being said, severe 'cramping' is unlikely due to your Mirena. read more

The researchers also measured hormone levels in the women's blood and found there was still a sufficient level of hormones to prevent pregnancy, even after the device's expiration date. Weight and body mass index of the patients did not appear to have an impact on the effectiveness of the IUDs or implants. read more

Mirena (levonorgestrel) IUD: If the Mirena (levonorgestrel) iud is more than 5 years old, you are at risk of pregnancy. The reason for the stop in periods may be pregnancy. So run a home urine pregnancy test and have the Mirena (levonorgestrel) removed. read more