Emergency contraceptive pills, commonly known as the morning-after pill, offer a vital backup to prevent unintended ...

In Europe, a morning-after pill identical to Plan B is going to come with a warning— the manufacturer has found the drug is ineffective for women who weigh more than 176 pounds, and begins to lose ...

Until recently, both the National Institute of Health and the Mayo Clinic, two respected and oft-Googled sites listed what science now considers misinformation regarding emergency contraception. It ...

Two of the country's largest pharmacy chains, CVS and Rite Aid, confirmed to ABC News this week that they had restricted the amount of Plan B or morning-after pills a customer could buy, following a ...

Researchers say blocking these effects of progesterone could be a new way to stop breast cancer before it starts.