Hi anonymous888,
As missie said, it's not uncommon for emergency contraception to mess up your otherwise normal menstrual cycle. If you were expecting your period and didn't get it, haven't put yourself at further risk for pregnancy since taking emergency contraception, and the HPT turned up negative, it should be accurate.
For more information, please review this article: Emergency Contraception Update, 2010.
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Hi anonymous888,
March 1, 2011 - 10:39amAs missie said, it's not uncommon for emergency contraception to mess up your otherwise normal menstrual cycle. If you were expecting your period and didn't get it, haven't put yourself at further risk for pregnancy since taking emergency contraception, and the HPT turned up negative, it should be accurate.
For more information, please review this article: Emergency Contraception Update, 2010.
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