3 day long AF

Wynter • Luckiest wife ever, being married to my best friend ❤️ Dog mommy to four 🐾
I normally have 6-7 days worth of AF. In the ten years I've had a period, I have NEVER have a 3 day cycle. I was feeling dizzy, and tired, and a bit sick before "af". What's up with that? Anyone gotten a BFP after a short, clot-less af??