Is it OK to just stop taking the pill?

A: There are no side effects associated with discontinuing the pill. However, as soon as a woman stops taking the pill, she is no longer protected against pregnancy. It often takes about one to three months for a woman's period to resume its normal cycle after she stops taking the pill — but the ability to become pregnant returns much more quickly. …

How long does it take for the pill to work?

A: If you start taking the pill within five days of the start of your period, pill protection begins immediately. If you start taking it at any other time during your menstrual cycle, pill protection begins one week later. Check with your health care provider about whether you should take a pregnancy test or you can make an appointment with the Planned Parenthood health center nearest you. …