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A 29-year-old female asked:

Been ttc, ovulated around 23/11, my period is now 3/4 days late. did a test 1 day ago, was negative. what other reason could i have missed my period?

1 doctor answer1 doctor weighed in
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Several reasons: Periods can simply be delayed because of natural hormonal reasons. Other causes include medical conditions like thyroid, disease, stress, etc. This is just a short list of reasons that don't include pregnancy.
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Last updated Dec 16, 2014

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