Ok I had a regular period on march 12 April came around I had sex with my fiancŽ on April 11th my cycle was 7 days late... I finally came on bt it was not a normal period it was very light my first day I only used 1 pad it was redish my second day it stoppd third and fourth day it was light pink and brown but it was light... now my nipples just start burning out of nowhere an my boobs are a little tender and look swoll I also gt sharp pains but it cums and goes my stomach is also hard does it sound like I'm pregnant

It's possible, but it may just have been an irregular period as well. See what happens when your period is due for May. If it doesn't show, try a pregnancy test.