super confused

okay, my period started March 2 and lasted for 3 days. i got a positive ovulation test on the 11th. i had spotting (never happened before) on the 15. yesterday afternoon, the day before my period is supposed to come, i was having AF like cramps & had pinkish/light redish spotting and i thought it was my period. but now i’m not bleeding at all. all of my tests so far have been negative. anyone know what may be going on?