In assessing male infertility, why might a semen analysis be conducted?

A semen analysis is a crucial diagnostic tool in the assessment of male infertility because it provides direct information about the quality of sperm produced by the male reproductive system. This analysis focuses on key parameters such as sperm count, which indicates how many sperm are present in the sample; motility, which assesses the movement and swimming ability of the sperm; and morphology, which evaluates the shape and structure of the sperm.

These factors play a significant role in fertility, as a normal sperm count, along with adequate motility and normal morphology, are essential for successful fertilization of the ovum. Any abnormalities in these parameters can indicate potential causes of infertility, directing further evaluation or treatment options.

Other options, while relevant in a broader context of reproductive health, do not directly address the specific aspects of male fertility that a semen analysis targets. For example, evaluating hormone levels is more related to hormonal imbalances that can affect sperm production but does not assess the sperm itself. Similarly, assessing urinary tract infections or measuring prostate size, while important in certain scenarios, do not provide the specific insights needed for evaluating male fertility.