What does Depo do to your body?

The birth control shot. The birth control shot, Depo-Provera, is a hormonal injection that prevents unplanned pregnancy for three months at a time. The hormone in this shot is progestin. If you have your shot on time without being late, there's a 1 in 100 chance you'll become pregnant during a given year.
A.

What is the most common side effect of Depo Provera?

Irregular Menstrual Bleeding. Many women stop using Depo Provera during the first year of use due to prolonged spotting or bleeding. These side effects are especially common during the first three months but can persist in some women for more than a year.
  • Can you get cancer from the depo shot?

    Some research hints it might be caused by high-dose estrogen, but women in studies who took the progesterone-only shot Depo-Provera have also been found to have higher rates of breast cancer. "It is just not really clear," says Gaudet.
  • How effective is a Depo Provera shot?

    The Depo-Provera shot is a highly effective birth control method. Women who use it correctly have a risk of pregnancy that's less than 1 percent. However, this percentage increases when a woman doesn't receive the shot at the recommended times.
  • How effective is a birth control shot?

    The birth control shot is a very effective method of birth control. Over the course of 1 year, fewer than 3 out of 100 typical couples who use the birth control shot every 3 months will have an accidental pregnancy. The chance of getting pregnant increases if you wait longer than 3 months to receive your next shot.
B.

What are the side effects of the birth control shot?

Side effects of Depo-Provera Contraceptive Injection include: weight gain and other side effects such as irregular menstrual bleeding, amenorrhea, headache, nervousness, abdominal cramps, dizziness, weakness or fatigue, decreased sexual desire, leg cramps, nausea, vaginal discharge or irritation, breast swelling and
  • How long does it take for the shot to wear off?

    Broadly speaking each progesterone contraception injection (Depo-Provera) will last for 10 to 12 weeks, after which there is not enough contraceptive left at the injection site to definitely prevent a pregnancy.
  • How does the Depo work?

    The birth control shot (sometimes called Depo-Provera, the Depo shot, or DMPA) contains the hormone progestin. Progestin stops you from getting pregnant by preventing ovulation. When there's no egg in the tube, pregnancy can't happen. It also works by making cervical mucus thicker.
  • What are the side effects of an IUD?

    Less serious side effects may include:
    • irregular menstrual periods, changes in bleeding patterns or flow;
    • breakthrough bleeding, or heavier menstrual bleeding during the first few weeks after device insertion;
    • back pain;
    • headache, nervousness, mild dizziness;
    • nausea, vomiting, bloating;
    • breast tenderness or pain;

Updated: 2nd October 2019

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