Pregnant on BC ( birth control pill)

Sãvãññãh

Hi ladies, I was wondering is it possible to get pregnant on BC? I been on bc for almost 2 years and I had my son 3 years ago and my birth control never failed me once and now I’m a lil scared because I been constantly peeing every 10 to 15 mins and today I thrown up my dinner that my Mother made today and I feel dizzy, my low and middle aches 🤦🏾‍♀️🤦🏾‍♀️🤦🏾‍♀️🤦🏾‍♀️🥺🥺🥺 Please I need answers