The contraceptive injection is a shot that contains hormones, either a progestin alone, or a progestin and an estrogen together, that stop your body from releasing eggs and thickens the mucus at the cervix. You need one shot either once every month or once every three months from a healthcare provider. However once injected, it is not reversible, i.e. in case of side effects it cannot be stopped. The way it works is similar to the pill, except you don’t have to remember to take it every day or week.

How to use it?

Firstly you’re going to need to talk to your healthcare provider. As with most contraceptives, they aren’t the ideal choice for everyone so getting advice from a professional is something we always recommend. If you decide the contraceptive injection is a method you’re interested in your healthcare provider will do it for you. Then, depending on the type of shot you get, you’ll just need to go back every month or three months for another top up and you’ll be highly protected in between.

Questions? Ask the Lydia Contact Centre

Pros and Cons

  • Pros:

    • It lasts for 1 up to 3 months
    • It permits sexual spontaneity and doesn’t interrupt sex
    • It doesn`t require daily or weekly attention
    • It can offer an alternative to those affected by the hormone estrogen
    • It can be used when breastfeeding
    • It may reduce heavy and painful periods for some women

  • Cons:

    • It requires keeping track of the number of month used
    • It may cause some people to suffer headaches and mood swings
    • It may cause headache, weight gain, abdominal
    • It may take up to one year for your period and fertility to return after stopping injection
    • It may cause disrupted periods