A warning to all of you before you receive your next shot i was informed on march 21 when i went to go get my shot that after 2 yrs you would no longer be allowed to receive the depo shot . Because the y found that the shot was producing to many hormones and not enough calcium. This is very frustrating to me because the depo is awesome for me, but i have been on and off for 6 yrs and have 4 daughters.i will no longer be allowed to receive another shot. I must resort to other birthcontrol. Also besides the weight gain has anyone notice their teeth decaying?even when they are continuously going to a dentist? i am 30 and my doctor and i realized that the shot is to blame for my decaying teeth. I now have to go through the process of having all teeth pulled and have fakes put in which really upsets me. Please find out the warnings on this before your next shot, because this is a study that was just done. Any questions please feel free to e- mail me.