HELP PREGNANCY SCARE

Monica

First I would like to say the only sex education I know is from tv because TX doesn’t teach actual sex Ed they either don’t mention it or it’s abstinence only. I’m 18 years old and I don’t use birth control because it would show up on my ins that I’m on it and goes against my religion however I’ve recently decided I want birth control even though it goes against my religion. AnywAys I was giving my bf a handjob it was getting late & I had a 30 min drive home so we stopped he only released pre cum . 2 hours later I decided to masturbate. I fingered my self with the same hand that had pre cum on it. Should I go buy plan B ?