The Impact of Male Obesity on Male Reproductive Function

Thomas Chambers, Richard Anderson

Research output: Contribution to journalArticlepeer-review

Abstract

Obesity in men of reproductive age is increasing. There is clear evidence from epidemiological studies that obesity impacts negatively on male fertility; it is associated with hypogonadism, although less consistently linked to impaired spermatogenesis and tests of sperm function, including DNA fragmentation. Sperm from obese men used for in vitro fertilisation/intra cytoplasmic sperm injection are associated with a greater number of pregnancy losses and are less likely to result in live births. There are also increasing data from animal studies that paternal obesity may impact negatively on the reproductive and metabolic health of offspring and grand-offspring. It has been suggested that dietary exposures could affect the epigenetic content of sperm or the endocrine content of seminal fluid, and thus affect early fetal development. Experimental and epidemiological data show that male fertility, and offspring health, can be improved by weight loss in obese or overweight males.
Original languageEnglish
JournalHormones
Early online date21 Sept 2015
DOIs
Publication statusE-pub ahead of print - 21 Sept 2015

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