Period or something wrong

Bosslady

Hey so I usually have a 5-6 day period. I had unprotected sex at the very end of Feb (Fertile window) My March period which was 2 weeks after lasted 3 days .. April came I was spotting for 3 whole days then bled for a day & a half literally. I’ve just been cramping , bloated, over exhausted, and I feel a little nauseous after I eat. I took a test 2 weeks ago & it came out negative