I took a plan B pill around October 2017 I don’t remember the exact day. The condom broke and I was able to meet with a doctor and get a plan b pill it wasn’t the “plan B” brand it was a off brand and I think the name of it was afterella. Ever since then my periods have been light but a normal light. It just took some time to get used to since before the pill I had a heavier flow. Well lately I’ve been having unprotected sex and my period for the month of February was off. It came days late (which is fine I know it happens) but it was only spotting. And it only lasted 2 and a half days. When I would pee and use the restroom there wasn’t any blood and if there was any discharge it was light pink after wiping and brown in my pad. (Keep in mind it was only a couple drops) I took a pregnancy test and I think it came out defected because nothing showed up (not even one line indicating a negative test) I haven’t taken another test. But my question is does the plan b pill cause infertility ? Or does this sound like pregnancy ? I currently don’t have access to a doctor.