Air from vagina after IUD?

So this is kinda embarrassing that's why I'm posting anonymously.
I had the IUD placed at my post op (5wk) visit. I had just stopped bleeding from (vaginal) birth and I started bleeding again after the placement, and then I started my period too (could tell they were different kinds of bleeding) anyway baby will be two months on the 2nd and I currently still have my period and I constantly have vaginal "farts" do you guys think this is normal" ? 
I'm kinda embarrassed to ask dr about it. I wonder if it has to do with the IUD or birth itself. Or if it's not normal at all
Thank you in advance for helping out.

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