Pregnancy and paraguard.

The last few nights I've noticed I've been having to pee a lot more. I've also been doing this weird ritual that started at 3 weeks of pregnancy with my last baby. I feel slightly bloated and pretty gassy. My secretion is different too. 
My daughter has been acting different around me, idk if it's true kids act different when you're pregnant but I have noticed that she has a different sleep schedule now and she's always wanting to be near me.
I have the copper IUD in so I know the odds are slim but I felt this ways before when I had my miscarriage in January before the IUD was inserted. Have any other mommies gotten pregnant with the IUD? I'm a little worried.