An injection for women that lasts 12 weeks (Depo-Provera) and releases the hormone progestogen very slowly into the body. This stops ovulation (the release of eggs).
Pros
Cons
You don't have to think about contraception as long as the injection works.
Does not protect against STIs
Periods often become irregular or stop.
Regular periods and fertility may take a while to return after stopping the injections.
