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How Does The Birth Control Shot Work?

Published: May 07, 2014
Dear How Does The Birth Control Shot Work?,

How does the birth control shot work exactly?


Dear How Does The Birth Control Shot Work?,

The birth control shot is a method of birth control that prevents pregnancy for three months due to a hormone that is injected into the body. The brand name of the birth control shot is Depo-Provera.

According to Planned Parenthood the birth control shot works in the following way:

Like other methods of birth control, the birth control shot releases a hormone — progestin — into the body. Hormones are chemicals made in our bodies. They control how different parts of our bodies work.

The progestin in the shot works by

  • Keeping eggs from leaving the ovaries. Pregnancy cannot happen if there is no egg to join the sperm.
  • Making cervical mucus thicker. This keeps sperm from getting to the eggs.

For more information on the birth control shot, read Planned Parenthood’s article Birth Control Shot (Depo-Provera).

If you are asking because you are considering starting birth control, TeenHealthFX recommends that you speak to your doctor about the best birth control methods for you. FX would like to point out that birth control methods such as the birth control shot or birth control pills do not protect against the transmission of STDs. To better protect yourself from the transmission of STDs it is important to use condoms each and every time you have sex. If you are considering becoming sexually active, FX also recommends you think about Am I Ready for Sex?

If you don't have a doctor and live in northern New Jersey, you can call the Adolescent/Young Adult Center for Health at 973-971-5199 for an appointment with an adolescent medicine specialist or contact your local teen health center or Planned Parenthood. You can also contact your insurance company for a list of in-network providers.

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