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Injectable Contraception

Medically reviewed by Last updated on Jun 5, 2024.

What is injectable contraception?

Injectable contraception is birth control medicine that is given as a shot. This medicine helps prevent pregnancy. The shot is usually given once every 3 months on day 1 to 5 of your menstrual cycle. The medicine may decrease blood loss and pain during your period. It also decreases your risk for anemia (low red blood cell count).

When can I start to use injectable contraception?

Tell your healthcare provider about any medical condition you have. Also tell him or her if you are currently breastfeeding. Your provider will tell you when you can start injectable contraception. You may need to use a different method of contraception for the first 7 days after you get the shot. You may need blood or urine tests before you start this medicine. You may use this method in any of the following situations:

What are the risks of injectable contraception?

Injectable contraception does not protect against sexually transmitted diseases. You may have headaches or changes in your mood. You may have heavy periods or periods that last longer than normal for you. Your periods may stop completely. You may have an upset stomach. You can develop brittle bones and be at higher risk for a fracture. You may gain weight. Certain medicines can prevent injectable contraception from working correctly.

How can I care for myself while I use injectable contraception?

When should I contact my gynecologist or doctor?

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.