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Levonorgestrel, one of the main ingredients in emergency contraceptive pills, including Plan B, was found in a recent study to be less effective in overweight and obese women.
By law, the emergency contraceptive known as Plan B should be made available at pharmacies to anyone of any age. But a new study in the Journal of Adolescent Health found that's seldom the case.
Pediatric physician Tracy Wilkinson of Children's Hospital Los Angeles conducted that study. She joins the show with more.