Late period after plan b. is it normal?

Yes: Taking Plan B can alter the timing of the current cycle and the upcoming cycle. One should check a urine pregnancy 3 weeks after taking Plan B.

Can occur: Potential side effects w emergency contraception include: menstrual flow changes (spotting, bleeding, early or late period), nausea, vomiting, dizziness, fatigue, headache, breast tenderness & abdominal pain or cramps. Take pregnancy test & notify dr if your period is 7 or > days late.