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What is azoospermia due to microdeletions in the Y chromosome?

By Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist).
Last Update: 08/02/2022

Azoospermia is a seminal disorder defined as the absence of spermatozoa in the male ejaculate.

Azoopermia can be obstructive (when sperm are produced but do not come out in the ejaculate due to an obstruction) or secretory (when no sperm are produced).

In the case of azoospermia due to microdeletions in the Y chromosome, it is a secretory azoospermia because these microdeletions involve serious alterations in spermatogenesis, that is, in the production of spermatozoa and, therefore, it is possible that no spermatozoa are found in the ejaculate.

 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.