Any bleeding during your active pills is break through bleeding. Break through bleeding is a side effect of birth control. Break through bleeding is completely normal. Break through bleeding can occur at anytime for any length of time no matter how long you have been on your brand. Break through bleeding can be any flow type from light spotting to heavy bleeding. Break through bleeding can last seconds, minutes, hours, days, weeks, months. There is no way to stop break through bleeding. There’s no way to tell when it is going to stop. You just have to wait it out.