A new survey launched by ellaOne, the most effective* morning after pill, revealed that 59% of 1,027 18- to 35-year-olds did not know that the morning after pill works by delaying ovulation; 51% ...

The morning-after pill helps prevent pregnancy after unprotected sex, but its efficacy differs depending on the user's body mass and the timing of when they take the medication.

Doctor Charis Chambers warned that levonorgestrel morning-after pills — commonly sold as Plan B — has been shown to have decreased efficacy based on both the weight and BMI (body mass index ...

Morning-after pills such as Plan B One-Step can lower a woman's chances of getting pregnant by 75-89% if taken within three days of having unprotected sex, according to Planned Parenthood.

Since the announcement of the Supreme Court’s decision to overturn Roe v. Wade, some people are buying morning-after pills, such as Plan B. Brian Brainerd/The Denver Post, via Getty Images ...

Online sales of emergency contraceptives, like the morning-after pill Plan B, have skyrocketed in the U.S. in the past week, according to retailers.

The FDA-approved morning-after pill can reduce the chance of pregnancy after unprotected sex or failure of another contraceptive method like a condom, and is ideally taken within 72 hours.