Antibiotics and the pill

Just a quick question - I started taking a five day course of antibiotics that contained Amoxicillin on the 23rd of December. I completed the course on the 29th. During this time I had no sex, and I got my withdrawal bleed on the 9th of January, which was also the day I had unprotected sex. My question is, was I still protected, considering that I finished my course of antibiotics a while before I had unprotected sex? There’s also so much conflicting information online about whether antibiotics which aren’t rifampin and the like, and whether they affect the pill 🤷🏻‍♀️🤷🏻‍♀️