How to know if I need stitches?

Anonymous
I have a cut on my wrist from an... krhm. .. "unfortunate accident" and I was wondering how to know if it needs stitches? It's only about half a centimeter wide, few centimeters long and it's across the vein, not along it. It's has finally stopped bleeding but it's still oozing a little bit, aching and open wide after 12 hours. I just want to avoid a nasty infection :/ Also was wondering about it since the wrist is an area you move a lot so it would be hard to keep it closed up with just a bandaid...
Also I don't wanna risk going to the doctor's in this small town and my family hearing about it...
How to know if I need stitches?
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