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Does mumps cause infertility in males?

By Zaira Salvador B.Sc., M.Sc. (embryologist).
Last Update: 05/31/2017

Childhood diseases such as mumps or chicken pox normally run their course and end without significant long-term effects. However, when a boy or an adult man contracts mumps, it can affect the testes and cause a condition called orchitis.

The prevalence of orchitis in young adults and adults ranges from 20% to 30%. Only in a small percentage of mumps-induced orchitis, the male experiences a reduction in sperm production, probably linked to changes in male hormones during the earliest stages of orchitis.

 Zaira Salvador
Zaira Salvador
B.Sc., M.Sc.
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.