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Is 'oligospermia' the same as 'azoospermia'?

By Zaira Salvador (embryologist).
Last Update: 12/21/2021

No, although oligospermia refers to the low concentration of spermatozoa, they are present in the ejaculate. Azoospermia is the absence of spermatozoa in the ejaculated semen, and invasive techniques are necessary for their recovery, such as epididymal aspiration, testicular puncture or biopsy.

 Zaira Salvador
Zaira Salvador
BSc, MSc
Embryologist
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)
License: 3185-CV
Embryologist. Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI) License: 3185-CV.