I been on birth control (iud) since may 2015 and been going through changes I neva had wit da birth control shot and its kinda freaking me out...

Quarter size thing been cumin out of me two months after I have sex.. I been to da doctor nd day said nun is wrong,

It happen twice, da first time it happ, I wuz in alot of pain nd soon as it came out da pain stop.

Da second tyme, I didn't feel no pain, I pulled my clothes down nd der it wuz, I wuz bleeding fo a couple datz den it stop,

Nd nw my periods are only 2 or 3 datz nw, no crAmps, just have pregnancy symptoms but I cnt get pregnant if I have da mirnea(iud)

???? Help me, I need answers