The morning after pill

I know my story isn't special by any means but it is to me. I'm not even 20 yet and I've already had 2 pregnancy scares and this time I took a morning after pill but now I'm not only still in some pain and nauseous but I also am not sure about what I did. I know I'm not ready for a child but what if I did the wrong thing by taking that pill? I'm so conflicted and I can't really talk to anyone because they all believe I did the right thing.