well i think i also may be preggo! I've only had Mirena for 6 months, and i've been having bladder infections, tired, tender breast, very hormnal and quite moody. For like the longest time after it was in place i kept bleeding. Not heavy like on a normal period, but spotting. Dr. says thats normal. Well now i bleed like 3 times a month, then i go for a few weeks without anything. My strings are in place i check them frequently, but now when my husband and i have sex its very uncomfortable, just like it was with my first pregancy. Man i totally am NOT ready for another kid. And my personal opinion is Mirena SUX cuz it always keeps you wondering!!!!