I had sex on the 4th I was already 2 days late. I freaked out out so I bought plan b on the 5th. I have not had sex in over a year. I had used ones Plan B before. But I really don't remember much about it. How long does it take to work.
If your period is always regular, then you will not have been ovulating when your period was due. It's worth learning about a woman's menstrual cycle, as it could save you stress in the future.
Plan B works by delaying ovulation until the sperm has left your body. If you are already ovulating when you have sex, then Plan B cannot do its job, & you'd need one of the other forms of emergency contraception. In this case, you indicate that you were no where near ovulation.
- Plan B Information for Consumers
- Plan B Information for Healthcare Professionals (includes dosage details)
- Side Effects of Plan B (detailed)
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