Hello I'm 17 And My First Sex Was 9.3.2016 In

Hello I'm 17 and my first sex was 9.3.2016 in first we use condom and after when I start bleeding I go to shower and my bf go to shower after we continue sex but without condon about 4 minutes but he didn't cum in me.. In the morning I see blood on my pants and I was bleeding about 2 days and it stop.. My menustration started 5 days earlyer and its like all my nenstruation with blood and pieces of tissue..My question is am I pregnent and did I have reason for concern..thank you