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A 29-year-old female asked:

Fit test during menstrual cycle? should i wait after its gone or do it during my period?

1 doctor answer1 doctor weighed in
Dr. John Berryman
Obstetrics and Gynecology 55 years experience
FIT testing: Since the "FIT test" detects specifically blood, and it is easy to have blood mixed with stool during your menstrual period, it is better to wait until any blood detected is not coming from menstrual sources.

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Last updated Nov 28, 2018

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