Depo Provera Problems

I recently got my second Depo Shot and then the day afterwards me and my boyfriend had sex with a condomn at first but then without it later but there was no ejeculation. But I haven’t gotten my regular period at all my stomach and lady parts have been feeling weird and I honestly don’t know what is wrong with me. If anyone can lend some reassurance (like no you aren’t pregnant) then please help me out.