Cycle Gone Crazy

Okay so I don’t normally write on here but I need a little help on my period was two days late & on Wednesday me and my husband had sex which I ended up having my cycle Wednesday night the same day on Thursday I noticed that my cycle became light and on Friday afternoon my cycle was gone I woke up Saturday and nothing at 8:52 I went to the restroom and I was spotting can anyone tell me what this could be. I’m so totally lost and confused about this..