Breakthrough bleeding is a common side effect of birth control. It's especially common in the first 3 months of using hormonal contraceptives. It can also occur after you switch from one type of birth control to another, or from one pill to another with a different estrogen dose.

Should I be worried about breakthrough bleeding?

While breakthrough bleeding is usually not a cause for concern, speak to a doctor anytime bleeding occurs during pregnancy. If a person bleeds between periods, their contraceptive method may be responsible. Or, they may have an infection.

Can breakthrough bleeding be normal?

While breakthrough bleeding may be normal and go away on its own over time, you should call your doctor if you're also experiencing: abdominal pain. chest pain. heavy bleeding.