It's not meant to be used so frequently. You could get a lot of hormonal side effects. Your bleeding could be irregular for some time.
If you took it as prescribed then it should still have the same chance of working as always.
If you're already ovulating then you'll need one of the other methods of emergency contraception instead. Plan B won't work.
- Plan B Information for Consumers
- Plan B Information for Healthcare Professionals (includes dosage details)
- Side Effects of Plan B (detailed)
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