Stopping birth control after 3 days can have different effects on the body, depending on the type of birth control and the individuals body. Here are some possible things that may happen when you stop taking birth control pills after 3 days:

• Increased risk of pregnancy: Birth control pills contain hormones that regulate the menstrual cycle and prevent ovulation. When you stop taking the pill, the hormones will be out of your body in a matter of days, and youre no longer protected from pregnancy.

• Menstrual cycle irregularities: Birth control pills override the natural menstrual cycle. Coming off these pills may lead to temporary menstrual cycle irregularities and other hormone-related symptoms. Most people have their first period about 2–4 weeks after coming off the pill. However, it can take up to 3 months for the natural menstrual cycle to fully reestablish itself.

• Cramping and spotting: If you stop taking your birth control pills in the middle of your cycle, you may experience cramping and spotting as soon as two days after your last pill. The hormones in birth control will leave your body within two days. Once they’re gone, your cycle will attempt to begin again.

• Increased risk of headaches: If the pill tended to give you headaches, you’re likely to get relief when you stop taking it.

• Increased libido: A few women may find themselves in the mood more often after they stop their hormonal birth control.

Its important to note that stopping birth control pills after 3 days may increase the risk of pregnancy, and its recommended to talk to a doctor before stopping any type of birth control. They can provide advice, learn about possible side effects, understand how quickly you might be able to get pregnant, and discuss your options if you dont want to conceive.