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How do you take the saliva sample for the ferning test?

By Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist).
Last Update: 07/14/2022

You can collect the saliva sample for an ovulation test (or fern test), directly with her finger. However, it is important to have previously washed and dried your hands, so that the finger is clean and dry.

In general, it is best to collect saliva from under the tongue. It is also important not to have brushed your teeth, eaten, drunk or smoked in the previous 2-3 hours.

 Silvia Azaña Gutiérrez
Silvia Azaña Gutiérrez
B.Sc., M.Sc.
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.