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Is the result of a negative urine pregnancy test before the delay in menstruation reliable?

By Silvia Azaña Gutiérrez.
Last Update: 10/20/2021

It depends on the sensitivity of the test, i.e. the minimum amount of hCG hormone it can detect. However, for the result to be reliable, it's recommended to perform the pregnancy test once there is a missed period. This means that you should wait to take the test until there is a delay in your period with respect to the day you expected it to come. In this way, false negatives are avoided because the hormone should already be at levels detectable by the test.

Therefore, in this situation, we recommend repeating the test on the appropriate days to obtain a more reliable result.

Suggested for you: Pregnancy Symptoms but Negative Test, What Else Could It Be?.

 Silvia Azaña Gutiérrez
Silvia Azaña Gutiérrez
BSc, MSc
Embryologist
Graduate in Health Biology from the University of Alcalá and specialized in Clinical Genetics from the same university. Master in Assisted Reproduction by the University of Valencia in collaboration with IVI clinics.
License: 3435-CV
Embryologist. Graduate in Health Biology from the University of Alcalá and specialized in Clinical Genetics from the same university. Master in Assisted Reproduction by the University of Valencia in collaboration with IVI clinics. License: 3435-CV.