and EContra One-Step, all of which work the same as Plan B. Here are seven things you should know before taking plan B: 1. Your weight may make Plan B less effective If you weigh more than 155 lbs ...

Plan B can affect your period for one menstrual cycle and alter when your ... If this is the case, contact your doctor and see if you should take a second dose. It is not recommended to resume ...

If your ovary does not release an egg, there’s nothing for sperm to fertilize, meaning pregnancy isn’t possible. Plan B works only to prevent a pregnancy — it can’t end one. Plan B and ...

If you’ve taken Plan B or another emergency contraceptive pill, wait 3 weeks to see whether your period arrives before ... couple of weeks after the first one to double-check the result.