Emergency contraception (postcoital contraception, the "morning-after pill") has been available ... agents of the future include mifepristone and levonorgestrel, which do not include estrogen ...

Plan B works only to prevent a pregnancy — it can’t end one. Plan B and other levonorgestrel morning-after pills can reduce the chance of pregnancy by 75% to 89% if taken within 72 hours (3 ...

Medically reviewed by Renita White, MD You can take Plan B (levonorgestrel), or the "morning-after pill" as often as you need ...

Taking the morning after pill can feel like a hormonal whirlwind ... contains a synthetic form of progesterone known as levonorgestrel, which prevents ovulation by stopping the surge in ...

(7) Other types of “emergency contraception” include Levonorgestrel (Levonelle ... vast majority of cases of administering a “morning-after pill” following rape would be an unnecessary ...

This is due to the active hormone in Plan B called levonorgestrel that prevents ... often referred to as the morning-after pill, that can help prevent pregnancy in the event of unprotected sex ...

These morning-after pills usually contain Levonorgestrel, a synthetic form of Progesterone, which works by inhibiting ovulation and thus preventing fertilization. It may play havoc with your ...