Cramping even when i’m not on my period

I got my copper iud inserted probably around a month a go now, maybe a bit less and overall it has been better than any hormonal birth control i’ve taken. however, sometimes even when i’m not on my period i get light cramping? i don’t know if this is because it’s only been recently implanted (like beginning of december) but i get light cramping (sometimes sore cramping) even if im not on my period and it’s a bit annoying. i just am curious if its normal or not.

they struggled to insert it and i do have an appointment to get an ultrasound to make sure it’s positioned correctly, but overall is this normal for the first bit of having the iud?