Plan B is simple to use
And remember the sooner you take it the more effective it is.
How does plan B work? plan B is two pills which you take together. If taken within 72 hours, it prevents pregnancy by doing one of three things:
- Temporarily stops the release of an egg from the ovary
- Prevents fertilization
- Prevents a fertilized egg from attaching to the uterus
plan B is a day after pill, not an abortion pill—if you take plan B you will not be terminating a pregnancy.
If you are already pregnant and take plan B, there’s no evidence that plan B will harm you or the fetus.