The Contraceptive Injection
What is the contraceptive injection?
The contraceptive injection is an injection of the hormone progestogen that provides a longer acting alternative to the contraceptive pill.
How long does the injection last?
The injection contains enough hormone for up to 3 months.
How does the injection work?
The injection contains the hormone progestogen, which prevents pregnancy by changing the cervical mucus and preventing the release of the egg from the ovary.
The contraceptive injection is given as an injection into the muscle every 3 months. It is expected that 65% of women wishing to become pregnant will conceive within 12 months, however for some women return to fertility may be delayed for up to 18 months. Your doctor will be able to answer any questions you may have about the injection.
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