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Morning-after pill: Quick facts
Published October 27, 2015
NAME: Plan B.
MANUFACTURER: A subsidiary of Teva Pharmaceuticals Inc.
USE: If taken within 72 hours of unprotected sex, it can lower the risk of pregnancy by up to 89 percent.
WHAT IT IS: A high dose of a drug found in many regular birth-control pills.
WHAT IT ISN'T: It's not the same as the abortion pill RU-486. Plan B prevents ovulation or fertilization of an egg; it also may prevent the egg from implanting into the uterus, though recent research suggests that's unlikely. It has no effect on women who already are pregnant.
WHAT ELSE IT ISN'T: Everyday contraception. It's not intended for routine use.
WHO CAN BUY IT: Starting soon, women 17 and older can buy it without a prescription. Currently, they must be 18 for nonprescription sale. Anyone younger still requires a prescription.
SIDE EFFECTS: Some nausea, dizziness, breast tenderness, temporary menstrual changes.
https://www.foxnews.com/health/morning-after-pill-quick-facts