Sometimes people are too embarrassed, too busy, or just don’t know the right questions. The questions on this page should cover a lot of aspects of what you need to know though.



Do I have to go to hospital for the injectable contraceptive?

The injection must be given by a healthcare provider. Depending on where you live, you can have the injection done at your local doctors or family planning clinic.

Does the injectable contraceptive make you gain weight?

Some women do experience weight gain, if this happens to you, speak with your healthcare provider, it may be that an alternative form of hormonal contraception is better suited to you.

Do monthly injections make infertile?

No. There may be a delay in regaining fertility after stopping monthly injections, but in time the woman will be able to become pregnant as before, although fertility decreases as women get older. The bleeding pattern a woman had before she used injectable contraceptives generally returns a few months after the last injection. Some women may have to wait a few months before their usual bleeding pattern returns.

What if I miss an injectable contraceptive – will I get pregnant?

You do need to have the injection once every month or every three months, depending on the type of injection you have. The amount of hormone which is injected to prevent unintended pregnancy will only last around 4-12 weeks depending on the type, so if you miss an injection you will not be protected against pregnancy.

Should the dates for a woman’s repeat injections be based on when monthly bleeding starts?

Some women think that the next injection should only be given when the next monthly bleeding begins. Bleeding episodes should not guide the injection schedule. However, a woman should receive the injection every 4 weeks or every 12 weeks depending on the type. The timing of injections should not be based on her monthly bleeding.

Will injectable contraceptives have an effect on my menstruation cycle?

When you use injectable contraceptives you may have bleeding and spotting between periods. The menstrual bleeding may vary from slight staining between menstrual periods to breakthrough bleeding, which is a flow much like a regular period. It occurs most often during the first few months of usage, but may also occur after you have been using the injectable contraceptive for some time. Such bleeding may be temporary and usually does not indicate any serious problems. It is important to continue using the injections on schedule. If the irregular bleeding or spotting is heavy or lasts for more than a few days, you should consult your doctor or healthcare provider.

How many injectable contraceptive can you have?

If you are sexually active and do not currently wish to have children, you can continue having the injections to protect against pregnancy, providing you find the method suits you and you have regular check-ups with your doctor or healthcare provider.

What if I want to have children, will the injectable contraceptive affect my long-term fertility?

Periods and fertility may take up to a year to return after stopping injections, depending on the type of injectable, and this may vary from woman to woman.

Do monthly contraceptive injections change women’s mood or sex drive?

Generally, no. Some women using monthly injectables report these complaints. The great majority of injectables users do not report any such changes, however, and some report that both mood and sex drive improve. It is difficult to tell whether such changes are due to monthly injections or to other reasons. There is no evidence that injectable contraceptives affect women’s sexual behavior.

How long does the contraceptive injection last?

Depending on the type of injection you choose, the birth control shot lasts for one to three months. To prevent pregnancy you need to receive a shot once each month, or once every three months, from a trained healthcare provider.

Can you get pregnant on the contraceptive injection?

The contraceptive injection has 94% efficacy, meaning that approximately 6 out of every 100 women in a year will experience an unintended pregnancy.