Breakthrough bleeding is any spotting or unscheduled bleeding that occurs between periods on the pill. When you're on the pill, the type of period you have is actually a withdrawal period.

What does breakthrough bleeding on the pill look like?

Breakthrough bleeding refers to vaginal bleeding or spotting that occurs between menstrual periods or while pregnant. The blood is usually either light red or dark reddish brown, much like the blood at the beginning or end of a period. However, depending on the cause, it may resemble regular menstrual blood.

How long will breakthrough bleeding last?

How many days does breakthrough bleeding last? The length of breakthrough bleeding depends on the person. However, it should not last longer than seven days. If you are experiencing breakthrough bleeding while taking birth control continuously, it is best to go off of birth control for a week to let your uterus reset.