Can you effectively take a Plan B pill 4 days later?

If you have sex without using other contraception, your regular birth control fails, or you are made to have sex against your will, take action right away to learn what your options are. read more

Best Answer: According to Plan B's website, the pill is only effective for 72 hours (meaning 3 days). It's more effective the sooner you take it, but, remember, even within that 72 hours, it's only around 85% effective at preventing pregnancy. read more

Pregnancy rates were compared to 675 women who took emergency contraception within three days. The two groups had similar pregnancy rates -- roughly 2% for women who took the emergency contraception within three days and 3% for those took it three to five days after sex. read more