It works in three ways:
The injection is given into a muscle, usually your buttock.
You can access a good leaflet telling you all about contraceptive injections here: http://www.fpa.org.uk/contraception-help/contraceptive-injections
For more information about the advantages, disadvantages and risks of the contraceptive injection you may want to read this leaflet: http://www.fpa.org.uk/contraception-help/contraceptive-injections
If you miss your Depo-Provera injection and you do not want to be pregnancy you should:
If you have any unprotected sexual contact after your Depo-Provera has run out then you may need emergency contraception.
If you think that you might need emergency contraception then it is important that you get advice as quickly as possible. There are time limits on when you can take emergency contraception.
Further information on Emergency Contraception on our website.
You can also access an FPA information leaflet about emergency contraception here: http://www.fpa.org.uk/contraception-help/emergency-contraception
If you want to talk to someone about emergency contraception you can speak to you GP or one of the Unity Sexual Health clinics.
Find your local Pharmacy or Clinic and book a confidential appointment.
Worried about STIs or other sexual health problems? You can request a confidential free home testing kit.Find out More