 [ Symptoms ] i am on the depo shot but i am showing symptoms of pregnancy could i be pregnant  my boyfriend and i have not used back up protection since i started getting the shot almost 3 months ago i am due for the second shot in a week if i am pregnant could the shot affect the baby [ Disease ] hi its 99 of not getting pregnant so you could be that 1 your find it does happen being that 1 person sorry but that is life but i would get some test done and take it from there do hope this helps good luck