Hi,
Thanks for the query.
Spotting can be a side effect of the
mirena.
And it may take some time for regularization of the
hormonal levels.
Intrauterine device can lead to
pelvic infection sometimes.
So better to get examined once to rule out that possibility.
Consult gynecologist once, get examined to find out the cause for foul smelling discharge and take treatment accordingly.
Take care.