What's Going On

If this is not the appropriate section to post this I apologize in advance . 
Yesterday my rib cage became very sore feeling bruised after sex  and today I feel like I'm starting my period but I JUST stopped my period . I was bloated today and am showing signs of sore legs. 
I've had two people so far suggest I am pregnant .  I doubt it but any ideas what's going on ? 

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