Table 1.

Possible causes of infertility in men with inflammatory bowel disease

Causes of infertility in men with IBD	Ref.
Surgery	[17,19-25]
Medications	[4,5,7,15,16,28-32,42,43]
Active disease	[15,16,76]
Poor nutrition	[15,77]
Alcohol use	[15,81-83]
Tobacco use	[15,83,86,87]
Psychological factor	[7,88,89]

IBD: Inflammatory bowel disease.