How long does the pill take to work?
For the combined pill, if you start within the first five days of your menstrual cycle then it will be effective immediately. If you start after the first five days of your cycle, then the combined pill will not be effective for 7 days and you should use extra protection.
For the progestogen only pill see How long does the mini pill take to work?
Last updated at: 19 October 2022