Are you or aren't you supposed to get your period after using plan b ?

Should get period: Yes, you should still get a period even though menstrual flow can be effected. Contact your doctor if you miss your period.

Still supposed to.: Potential se’s w emergency contraception: tender breasts; changes in menstrual flow (spotting, bleeding, early or late period or spotting instead of period); loose stools; dizziness; headache; nausea/ vomiting; abdominal discomfort or feeling tired. If you develop chest tightness, difficulty breathing, swelling of lips, mouth, throat – call 911. Notify your gyn if your period is 7 or > days late.