Can Plan B Stop Your Period?

Levonorgestrel is found in birth control pills, but Plan B contains a higher dose that can alter your body's natural hormone levels. The extra hormones can, in turn, affect the menstrual cycle, leading to an earlier or delayed period as well as heavier or lighter bleeding.

Will Plan B Stop My current period?

Can Plan B affect your period? The short answer is yes: Plan B can affect your period because it can change your menstrual cycle's timing. The National Institutes of Health says that emergency contraception may cause mild side effects like menstrual bleeding changes.

Can taking 2 Plan B delay your period?

Taking Plan B (also called emergency contraception, or the morning-after pill) can temporarily change someone's menstrual cycle, so your girlfriend's period will probably be different for at least a month.