It's been two weeks since i took plan b pill and i haven't had my period. i had nausea whole of last week, this week it's swollen breasts. pregnant?

Plan B: 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. Notify your GYN if your period is 7 or > days late.

Plan: You definitely need pregnancy test! Start with urine test and make appointment with a doctor for blood test.