Which contraceptive pill can work after 1 week?

The contraceptive pill that can provide contraceptive protection after one week of consistent use is the combination pill, which contains both estrogen and progestin. It typically takes seven days of taking the pill regularly to reach effective hormone levels in the body. However, if you start taking the pill during the first five days of your menstrual cycle, you may be protected from pregnancy immediately. If you start the pill at any other time, it's advised to use a backup method of contraception for the first seven days.