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Chapter 5 - Andrology and Infertility

Published online by Cambridge University Press:  25 February 2021

Siladitya Bhattacharya
University of Aberdeen
Mark Hamilton
University of Aberdeen
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Reproductive problems in the male contribute significantly to subfertility in heterosexual couples but can also impact on the ability of single or homosexual men to take part in donation or surrogacy. The main causes of reproductive problems in males can be classified as either (1) pre-testicular (those affecting the regulatory hormonal pathway); (2) testicular (those which relate to impaired testicular function); and (c) post-testicular, where there is a blockage of the male genital tract or other problems with associated ejaculation or sperm delivery; however, it is possible that there can be more than one cause. The main diagnostic procedures include physical examination, followed by semen analysis and, in some instances, endocrine tests (follicle-stimulating hormone and testosterone), genetic tests (karotyping, Y chromosome microdeletion testing and cystic fibrosis testing) and radiological investigations. In the case of secondary hypogonadism, medical treatment with human chorionic gonadotropin can improve sperm quality but in the majority of azoospermic men only various surgical interventions to recover sufficient sperm for intracytoplasmic sperm injection are of proven value.

Publisher: Cambridge University Press
Print publication year: 2021

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