Talk to clinician
I would speak with the clinician who placed it, or another if you prefer. The Mirena
) iud, for most women, given the small amount of Progesterone
in the iud, causes lightening of periods, not heavier periods.
Studies have shown, however, that sometimes these iuds have been misplaced or have moved since placement and that could be the cause for your bleeding. Or also possible, your body's response.