European scientists question effectiveness of drug identical to Plan B One Step

November 26, 2013 5:18:02 AM PST
There's a warning for some women who depend on a certain kind of birth control.

European officials now saying an emergency contraceptive identical to Plan B One Step may not be effective for some women over a certain weight.

French scientists found the drug began losing its effectiveness for women over 165 pounds.

The FDA is currently reviewing the issue.

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