Depo shot

Hey ladies I've been off the shot for about 2 months now not by choice they removed me from my parents insurance.. anyways.. how quickly can you get pregnant I still have not got my period and I have had unprotected sex since then multiple times I don't know if I need to be concerned and take s pregnancy test I've been talking to my husband about it but he claims it might just be my hormones lol "men"... but sometime I feel like I should any stories or advice you can share