Male infertility: The lesser-known causes
The first step in determining whether a man has fertility problems is to carry out a semen analysis. You may have heard of this test before. It is a simple and widely used test that involves collecting a semen sample to analyse several parameters: volume, sperm concentration, motility, and morphology. In most cases, this is sufficient to detect any abnormalities. However, 15% of infertile men present with semen parameters that fall within the ‘normal’ range according to the World Health Organisation (WHO). This is because, in addition to abnormalities in the parameters assessed by a standard semen analysis, other...
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