With Depo-Provera, you could become pregnant as soon as 3 to 4 months after your last shot. However, it may take some women up to a year or two to conceive after they stop using this type of birth control. This time frame seems unrelated to how long you have been using Depo-Provera for contraception.

There are several advantages to using Depo-Provera: healthren.com

• You don't have to remember to take it every day or use it before sex.
• It provides long-term protection as long as you get the shot every three months.
• It doesn't interfere with sexual activity.
• It's over 99% effective.
• It's less expensive than the Pill.

Disadvantages to using Depo-Provera include:

healthren.com

• It can cause unwanted side effects.
• It does not provide protection against sexually transmitted diseases.
• It can cause irregular menstrual periods.
• You need to stop taking Depo-Provera several months ahead of time if you plan to become pregnant.
• Regular doctor visits can be inconvenient.