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Type: Journal article
Title: Male obesity and subfertility, is it really about increased adiposity?
Author: McPherson, N.
Lane, M.
Citation: Asian Journal of Andrology, 2015; 17(3):450-458
Publisher: Medknow Publications
Issue Date: 2015
ISSN: 1008-682X
Statement of
Nicole O. McPherson, Michelle Lane
Abstract: The prevalence of overweight and obesity in reproductive-aged men is increasing worldwide, with >70% of men >18 years classified as overweight or obese in some western nations. Male obesity is associated with male subfertility, impairing sex hormones, reducing sperm counts, increasing oxidative sperm DNA damage and changing the epigenetic status of sperm. These changes to sperm function as a result of obesity, are further associated with impaired embryo development, reduced live birth rates and increased miscarriage rates in humans. Animal models have suggested that these adverse reproductive effects can be transmitted to the offspring; suggesting that men's health at conception may affect the health of their children. In addition to higher adiposity, male obesity is associated with comorbidities, including metabolic syndrome, hypercholesterolemia, hyperleptinemia and a pro-inflammatory state, all which have independently been linked with male subfertility. Taken together, these findings suggest that the effects of male obesity on fertility are likely multifactorial, with associated comorbidities also influencing sperm, pregnancy and subsequent child health.
Keywords: embryo; fertility; infertility; inflammation; metabolic syndrome; sperm
Rights: Copyright status unknown
RMID: 0030022418
DOI: 10.4103/1008-682X.148076
Appears in Collections:Paediatrics publications

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