I have always had a very consistent period. But this month my period was a week late. Before I started my period I thought I might have been pregnant because the condom fell off when I was having sex. I took a plan B. Now it’s a week after I had my period and I’m starting to bleed again it’s dark but doesn’t smell... I also feel really nauseous and really drained of energy. Does anyone have a clue what’s going on? I’m going to the doctor but until then it would be nice to get some kind of idea of what could be happening.