Should I confront the guy who may have knocked me up about my suspicion that he lied about being sterile?

Hooked up w a guy and the condom broke about a week and a half ago. It was like the first day of my fertile window and I told him I was worried I might be pregnant. He said he doesn’t think it’s by him bc he tried getting his ex pregnant when he was 17 (he’s now 19) and couldn’t and the doctor said he was infertile. Guys pull shit like this a lot to avoid responsibility. I still have yet to take a pregnancy test but should I confront about this and ask him if he was being honest with me?

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