Male Infertility
Asthenozoospermia
Reduced sperm motility impairs the ability of sperm to reach and fertilise the egg. Defined as <30% progressive motility by WHO 2021 criteria.
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Overview
Overview
Reduced sperm motility impairs the ability of sperm to reach and fertilise the egg. Defined as <30% progressive motility by WHO 2021 criteria.
Symptoms
Male partner diagnosed on semen analysis
Unexplained infertility in couple
Causes
1
Varicocele2
Genital tract infection3
Antisperm antibodies4
Oxidative stress5
Heat exposureHow It's Diagnosed
Semen analysis (WHO criteria)
Sperm DNA fragmentation test
Scrotal ultrasound
Genital tract infection cultures
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