How Effective is the Depo Shot?

The Depo shot is like any other birth control in that it is not 100% effective, however it is about 97% to 99.7% effective. Depo does will not prevent you from sexually transmitted diseases so you should always be prepared and use a condom. Many times there are side effects to using birth control be sure to discuss the side effects and risks of taking a birth control. For more information look here: