After unprotected sex, many individuals wonder how long contraceptives remain effective in preventing pregnancy. This post explains how long different contraceptives can work after intercourse and what to do if you’re concerned about pregnancy. Emergency Contraception (Morning-After Pill) Emergency contraception can be taken up to 72-120 hours after unprotected sex. The sooner you take it, … Continue reading How Long Should a Contraceptive Be Effective After Sex?