Depo birth control shot‼️

Savana

Okay so i am 15 and i have just recently got on the depo shot. I saw some post today and she was talking about how she got pregnant on the shot. Which im aware that its only 99% effective. BUT i then read the comment to find out that many people got pregnant on the shot. And how it doesnt work etc etc. what are yalls opinions on the shot?