It is very, very common for Plan B to totally change your periods for the month or even two months after you take it. "Menstrual irregularities" are one of the main things it lists as a side effect. It's because Plan B works by using hormones, and those same hormones can screw up your regular menstrual cycle. Hang in there and try not to be so very stressed, because that can affect your cycle too.
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Veryscared,
It is very, very common for Plan B to totally change your periods for the month or even two months after you take it. "Menstrual irregularities" are one of the main things it lists as a side effect. It's because Plan B works by using hormones, and those same hormones can screw up your regular menstrual cycle. Hang in there and try not to be so very stressed, because that can affect your cycle too.
May 27, 2010 - 8:41amThis Comment
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