2 day light period. What’s happening?

Hi ladies,

So we’ve been TTC for about 3 months. Still very new— not stressed at all. We did BD during ovulation week. My period was due on Thursday the 1st. It started the 31st very light. It was a bit more than spotting, but much lighter than my regular period. I normally have very bad cramps and had small pains but nothing major. My “period” lasted 2 days with some spotting for a few hours on day 3 and then it was magically totally gone. I don’t think I’m pregnant— I feel totally fine. But I have been very regular for almost a decade. Like clockwork. Anyone had experience with this? Do I need to go to the doctors? Thanks in advance for your advice!