Sex Terms

Plan B

A brand of emergency contraceptive pills (EC), which can prevent pregnancy if taken within 120 hours of unprotected vaginal intercourse. Plan B One-Step is available over the counter without a prescription for everyone regardless of age.

Plan B One-Step emergency contraception is not effective at preventing pregnancy in people over 176 pounds. If you weigh over 176 pounds and need emergency contraception, you should speak to a health care provider about possibly using another emergency contraceptive pill or a copper IUD.

For more information, check out Back Up Your Birth Control.

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