Pregnancy scare?!!

Okay so I need some advice. In March I took the depo shot. I was due for another shot June 19, but I never went back Bc my bf had broke up with me. Once I got off the shot I bled for 2 months straight. I stopped for 4 days and then if felt like I had an actual period and it last around 5 days. (Sep. 18-23) I had sex (Oct. 2 and 6) that were unprotected both times. Nobody came and he only stuck it in less than 2 min both times. (Somebody was home lmao we were being sneaky). eve told me I was going to get a period on the 16th but I’m still not bleeding. Could I be pregnant??? Or is it just the shot wearing off still. I looked it up and it almost seems impossible because he had peed multiple times throughout the day and so even if there was precum it wouldn’t have any sperm. It just seems very unlikely, but I would like to get some other peoples opinions!!!