Emergency contraception must be used within 72 hours of the unprotected sex. Remember, emergency contraception is not a substitute for using regular birth control . When They Do, Use Emergency Contraception . If it has been more than three days since you think you got pregnant, and maybe you've even missed a period , call a health center for a confidential pregnancy test. The surest way to find out if you're pregnant is to take a pregnancy test at a health clinic.
Some women prefer to use home pregnancy tests before going to a clinic.
They're simple to use and can be accurate, but you must follow the instructions on the package exactly . They can also be expensive, and many clinics offer pregnancy testing for less money than a home test. More importantly, at a clinic you'll know that the test will be performed correctly, and you'll have access to a counselor who will explain the results and provide you with information about your options. It's particularly important to go to a medical clinic if you're having pain in your abdomen or your stomach, or unusual vaginal bleeding. Find someone you trust to help you through this difficult time.