Evidence for a genetic etiology to ejaculatory dysfunction

Patrik Jern; Pekka Santtila; A Johansson; M Varjonen; K Witting; von der Pahlen B; Kenneth Sandnabba

doi:10.1038/ijir.2008.61

Evidence for a genetic etiology to ejaculatory dysfunction

Patrik Jern, Pekka Santtila, A Johansson, M Varjonen, K Witting, von der Pahlen B, Kenneth Sandnabba

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Abstract

A number of theoretical approaches to understanding the etiology of ejaculatory dysfunction have been proposed, but no study has yet found conclusive evidence that premature (PE) or delayed (DE) ejaculation is under genetic control. We conducted twin model fitting analyses on different indicator variables of ejaculatory function on a population-based sample of 3946 twins and their siblings (age 18-48; mean=29.9 years) to investigate genetic, shared environmental and unique environmental effects on PE and DE. A significant moderate genetic effect (28%) was found for PE. No clear-cut familial effect could be detected for DE. Significant associations between ejaculatory function and age were detected, but effects of age were generally very weak. The findings from the present study provide useful information regarding the etiology and understanding of ejaculatory dysfunction.

Original language	Undefined/Unknown
Pages (from-to)	62–67
Journal	International Journal of Impotence Research
Volume	21
Issue number	1
DOIs	https://doi.org/10.1038/ijir.2008.61
Publication status	Published - 2009
MoE publication type	A1 Journal article-refereed

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10.1038/ijir.2008.61

Cite this

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abstract = "A number of theoretical approaches to understanding the etiology of ejaculatory dysfunction have been proposed, but no study has yet found conclusive evidence that premature (PE) or delayed (DE) ejaculation is under genetic control. We conducted twin model fitting analyses on different indicator variables of ejaculatory function on a population-based sample of 3946 twins and their siblings (age 18-48; mean=29.9 years) to investigate genetic, shared environmental and unique environmental effects on PE and DE. A significant moderate genetic effect (28%) was found for PE. No clear-cut familial effect could be detected for DE. Significant associations between ejaculatory function and age were detected, but effects of age were generally very weak. The findings from the present study provide useful information regarding the etiology and understanding of ejaculatory dysfunction.",

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AU - Jern, Patrik

AU - Santtila, Pekka

AU - Johansson, A

AU - Varjonen, M

AU - Witting, K

AU - der Pahlen B, von

AU - Sandnabba, Kenneth

PY - 2009

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AB - A number of theoretical approaches to understanding the etiology of ejaculatory dysfunction have been proposed, but no study has yet found conclusive evidence that premature (PE) or delayed (DE) ejaculation is under genetic control. We conducted twin model fitting analyses on different indicator variables of ejaculatory function on a population-based sample of 3946 twins and their siblings (age 18-48; mean=29.9 years) to investigate genetic, shared environmental and unique environmental effects on PE and DE. A significant moderate genetic effect (28%) was found for PE. No clear-cut familial effect could be detected for DE. Significant associations between ejaculatory function and age were detected, but effects of age were generally very weak. The findings from the present study provide useful information regarding the etiology and understanding of ejaculatory dysfunction.

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