How does the contraceptive implant work?
The contraceptive implant releases a hormone called progesterone, which is also used in contraceptive pills.
It prevents pregnancy by thickening the mucus at the entrance to the womb and altering the lining of your uterus to make it difficult for an egg to implant. It can also prevent your ovaries from releasing an egg.
The implant works in the same way as the pill, with the difference that you don’t need to remember to take any pills to stay protected.