Help pls

I am 25years old. I had my last proper Menstruation in 25th August. I had an unprotected intimacy(tried pullout)at 30th August. I took another ipill at 8th August after an unprotected sex(😭😭😭😭 Didnt know it has thisssss much side effects) We weren’t sure about the pull out so I took an Ipill that day exactly 2hours later. Then in 5th September I got a period like thingy for 2days. And Till now I haven’t have any period. I took 3pregnancy test with pharmacy kit and every one of those Were negative. What the hell is happening.... Help me pls