Compare to Plan B one-step emergencycontraceptive is safe and effective for women to reduce the chance of pregnancy after unprotected s.e.x (if a contra/ceptive failed or if you did not use birthcontrol). Take as soon as possible within 72 hours (3 days) after unprotected s.e.x. Le/vo/nor/ges/trel is the No.1 OB/GYN recommended emergencycontraception OTC active ingredient in the US. Made in India. Of U.S. physicians surveyed by an independent market research firm.