Emergency Contraception  Lee este articulo  What Is It?
Emergency contraception is a way to prevent pregnancy after
unprotected sex. Often called the morning-after pill, emergency
contraception pills (ECPs) are hormone pills that women can take
after having sex. There are different types of ECPs. One type,
levonorgestrel (brand names: Plan B and Next Choice), has been
on the market for a while. It works best up to 72 hours after
having unprotected sex, but will reduce the risk of pregnancy if
taken within 120 hrs (5 days) after unprotected sex.  The other
type, ulipristal acetate (brand name: ella), can be taken up to
5 days after unprotected intercourse.  Levonorgestrel ECPs are
often available without a prescription to those 17 years and
older. Prescriptions are required for those 16 and under, as
well as for ulipristal. Recently, the FDA approved Plan B One
Step to be sold over-the-counter without a prescription or age
requirement.  The intrauterine device (IUD) can sometimes be
used as a form of emergenc