What do you guys think?

Melyssa

So I just got off my period last week I have been having sex with my boyfriend like crazy. The day before yesterday my lower back was hurting and I was uncomfortable walking then yesterday I was feeling nauseous and today I am spotting. The spotting color is light pink. I have also had discharge that was watery and clear/brownish. I think I might be but I’m not sure. Somebody HELP ME!!!!