An elevated FSH in males with absent sperm indicates that the type of azoospermia is secretory. Most likely the stem cell population in the testis has been destroyed by some treatment such as radiation therapy and therefore FSH is not assimilated to carry out its function.
Read the full article on: What Is the Role of Follicle Stimulating Hormone (FSH)? ( 65).
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)