Your experience will be compromised. Update or change your browser Don't show this notice again. The contraceptive injection also called Depo is an injection of the hormone progestogen. Progestogen is similar to the hormone produced by the ovaries. This helps to prevent sperm from entering. Depo is injected by a doctor or nurse into the arm or bottom muscle every weeks. When Depo is first injected, or after a break, it can take up to 7 days to start working to prevent pregnancy.
This depends on the timing of your menstrual cycle and if you are already using contraception. Speak with your doctor, nurse or pharmacist for more information. Your doctor or nurse will provide a script which you can take to the pharmacy, who will sell you the Depo. You will need to return to the clinic to have the Depo injected.
It will be cheaper if you have a healthcare card. If you do not want to become pregnant and it is more than 14 weeks since your last injection, you can abstain from sex or use condoms until you can have your next injection.
It can take up to 7 days for Depo to start working to prevent pregnancy. During this time, you can continue to abstain from sex or use condoms. If you have unprotected sex in the time when your Depo is late or not effective, you might need emergency contraception. The injection is not known to harm a pregnancy.
It is safe to continue the pregnancy or to have an abortion. Generally, the injection can be administered straight after you give birth, even if you are breastfeeding. Speak to your doctor or nurse for more information. If you are using the internet for information, only use reliable and reputable websites, such as the ones provided above. Close menu Close. Search Search. Contraceptive Injection Depo.
On this page What is the contraceptive injection Depo? How effective is the injection? The only time a professional might want to tell someone else is if they believe you're at risk of harm, such as abuse. Page last reviewed: 7 February Next review due: 7 February The contraceptive injection - Your contraception guide Secondary navigation Getting started How does the female condom work? Where to get contraception. What is emergency contraception? Where can I get emergency contraception?
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What should I do if I miss a pill progestogen-only pill? After the injection, don't massage the injection site. Depending on your start date, your health care provider might recommend that you use a backup method of birth control for seven days after your first injection.
Backup birth control isn't necessary after subsequent injections as long as they're given on schedule. Schedule your next injection. Depo-Provera injections should be given every three months. If you wait longer than 13 weeks between injections, you might need to take a pregnancy test before your next injection. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version.
This content does not have an Arabic version. Overview Depo-Provera Open pop-up dialog box Close. Depo-Provera Depo-Provera is a contraceptive injection that contains the hormone progestin. Request an Appointment at Mayo Clinic. Share on: Facebook Twitter. Show references Hatcher RA, et al. Injectable contraceptives In: Contraceptive Technology. Ayer Company Publishers; Kaunitz AM. Depot medroxyprogesterone acetate DMPA for contraception: Formulations, patient selection and drug administration.
Accessed Oct. Hatcher RA, et al. Progestin-only contraceptives. In: Managing Contraception For your pocket. Bridging the Gap Foundation; Hapgood JP, et al. Hormonal contraception and HIV-1 acquisition: Biological mechanisms.
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