If the bleeding is from the fingering, it should be light and end fairly soon. If it continues, you may want to see a doctor - it could be your period, but it could be that you were more seriously cut/injured from the fingering.
Chances are that you've already stopped bleeding by the time you have received this reply. Take a few days to be gentle with yourself, and perhaps think about things that might help next time. For example, were you relaxed? Sexually excited? Did you want to be fingered, or did you need more time?
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