Vaginal flora and hormonal IUD

According to the little scientific data that is currently available, Mirena® does not protect against vaginal infections (fungal infections, non-specific bacterial vaginosis), but neither does it increase the risk of such infections.

It is not yet known for certain whether Mirena® has a positive or negative effect on normal vaginal flora. Studies that should be able to give us a more definitive answer are currently underway.