<human>: I met a girl at a bar a couple of months ago, and one thing led to another and she ended up back at my place for some wine. Long story short we end up having sex (unprotected because we were both so drunk).

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The next day when we woke up, she asked me if we used a condom. Even though I am sure she knew, I told her that we 
didn't. She freaked out and said she had to get Plan B because she wasn't on the pill. I agreed and gave her some money and that was that. She called me later and said she got it and took it.

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Fast forward to today, and she has called me out of nowhere telling me she is 10 weeks pregnant. She was calm and wanted to let me know, which I appreciated. She says she is sure it's mine. **Here's the thing** - when I looked at the night we had sex and counted the days/weeks, it turns out to be just under 8 weeks ago. I don't know if she is lying to me, or if the pregnancy is calculated based on last period (which could be before we had sex) and 10 weeks really lines up with our encounter. I kind of want to bring this up to her, but I dont want to accuse her of lying or make her think I don't believe her. I am not sure what to do.

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<bot>: One night stand says she is 10 weeks pregnant, we had sex 8 weeks ago...I don't know what to do or say to her.