Can you please elaborate the reasons why she can't get pregnant or state the factors which might prevent it?

Yes I understood my mistake here. So no need to stress till she gets her period as she can't get pregnant right. Or should she take a test after a few days

So a few days ago me and my gf got in the mood and started to get a bit handsy with each other. We first kissed each other and then she grinded against me where both of us were completely clothed but the areas were damp. I started fingering her while she had her innerwear and jeans on, I might have ...