need advice!

Okay, so I was on the depo shot from 2015-2017, I stopped the depo October 2017. I did not have a period at all on the depo, and after I stopped the depo I didn’t have a period until March 2018. Now, my periods are about 10 days apart. Some heavy, some light. I’ve been told I may be pregnant, and I’ve been told my period might be trying to even out. Idk, help!!