What's the point of stitches?

I am almost 4 weeks PP and I'm still continuously bleeding. I decided to use a mirror to look down there because I've seen my stitches come out. I'm surprised that I'm still opened quite a bit. Aren't stitches suppose to keep you closed? And since the stitch already dissolved, shouldn't I be closed? I'm 2 weeks away from my 6 week check up, so I'm looking for other women's experiences.