Bowl Issues (non graphic)

Hi! I went on birth control almost a year ago for medical reasons. I am a virgin so dw about that.

Ever since then I’ve gotten mild diarrhea for the day of my first period and a tiny bit the day after. This went on for months! Around February of this year, it stopped! Yay! I thought I was FREE.

Now, today, I got it again ;( but this time it was uhhh *more*. BUT it wasn’t loose or watery or anything

The thing is, I finished my period 8 days ago!

Is it normal for BC to cause diarrhea? My Mom says I just always get it around my period, but I’m starting to wonder ;(

Thanks!