If you are having unprotected intercourse and are not planning a pregnancy, then Plan B would be a good option. Plan B helps prevent pregnancy by delaying ovulation. It is not a long term method of birth control. It is most effective when taken within 24 hours after unprotected intercourse. However, studies show that it is effective when taken as long as 120 hours (5 day) after unprotected sex.
You may want to consider starting a long term method of birth control such as the pill, shot, patch, etc. Family Planning clinics offer Plan B, gynecological exams and birth control for little to no cost, depending on household size & income.
22. January 2012
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