I'm about 4 days late on my period got negitive on a pregnancy test. I just experienced very bad cramping. worse than I get on a period. I went to bathroom regular poop came out nothing else, but pain got worse I eventually felt like I should poop and I did and a shit load of diahrerria came it was brown. the cramping stopped almost immediately.I right now it feels a little bubbly and like the cramps might come back. (it's only been a few minutes) I've been eating healthy I wasn't pooping much these past few days so do you think the pain is just from the poop