What is it?
An injection which releases the hormone progestogen into the body.
How does the Contraceptive Injection work?
The progestogen only contraceptive injection works mainly by preventing an egg being released (ovulation). It also thickens cervical mucus to prevent sperm reaching the egg and thins the lining of the uterus to prevent implantation of a fertilised egg.
How to use the contraceptive injection
You will need to have an injection every 13 weeks. This can be given by the nurse or doctor if you are using Depo-Provera or you can now give the injection to yourself if you choose to use Sayana Press
How effective is the Contraceptive Injection?
It is over 99% effective if used according to instructions
What are the advantages of the Contraceptive Injection?
It lasts for 14 weeks, you can use it if you are breastfeeding and you don’t have to think about it in between injections. It may reduce heavy periods, reduce painful periods and for many women there will be no period
What are the disadvantages of the Contraceptive Injection?
Periods may be irregular, particulary at first. Periods and fertility may take some time to return after stopping the injection. Once given, the injection cannot be withdrawn if any side effects occur.
Does the Contraceptive Injection protect against Sexually Transmitted Infections?
No, condoms are the only form of contraception which gives protection against some infections