- The contraceptive injection contains the hormone progestogen.
- It prevents pregnancy by stopping the ovaries releasing an egg (ovulation).
- The contraceptive injection is not suitable for everyone.
- The contraceptive injection is more than 99% effective if used correctly. If you get your injection late, it’s less effective.
- It lasts for 8 to 13 weeks, depending on the type. The types of contraceptive injection used in the UK include Depo Provera, Sayana Press and Noristerat.
- When you stop getting the contraceptive injection, it can take up to 1 year for your fertility to return to previous levels.
Information:
The contraceptive injection does not stop you getting or passing on sexually transmitted infections (STIs). Use a condom every time you have sex to protect you and your partner against STIs including HIV.