How do I know when will I get my period after taking plan b?

Late period. If your period is more than one week past anticipated date, then please contact your physician. It would be important to ensure that you are not pregnant.

Related Questions

How do I know when will I get my period after taking Plan B while on birth control?

Depends. Where are you in your pill pack? If early, may experience some bleeding within a few days of finishing plan b. Read more...
At the usual time. If you are taking birth control pills, you should get your period during the week of no hormones you should not need Plan B ! Read more...