Asthenozoospermia is a condition where a man suffers from a certain degree of sperm immotility (more than or equal to 60% of his sperm is not motile). Motility refers to the ability of the sperm to travel or swim. This is an indispensable characteristic in the normal reproduction process as the sperm travels from the testes during ejaculation and swims through the female's reproductive tract to bond with the egg.
If the diagnosis shows less than 32% of the sperm as having progressive motility, then this is also defined as Asthenozoospermia. Complete Asthenozoospermia occurs when 100% of the sperm does not achieve motility.
Symptoms of Asthenozoospermia
There are no outward symptoms of Asthenozoospermia and most cases are diagnosed in infertility trials. Inability to fertilise an egg is the most relevant symptom of Asthenozoospermia. Semen analysis is needed to confirm the occurrence of this condition.
Causes of Asthenozoospermia
There are many causes of Asthenozoospermia:
- DNA Fragmentation is one of the prime reasons why sperm does not achieve motility.
- Necrozoospermia is also associated with Asthenozoospermia
- Congenital metabolic disorders can also cause Asthenozoospermia
- Excessive smoking and alcohol consumption
- Exposure to harmful chemicals and heavy metals
- Infections in the genitals or reproductive ducts
Asthenozoospermia can only be diagnosed by specialists armed with the required know-how and tools. Treatment methods vary according to the specifics of the case. Infertility treatments like IVF/ICSI (or in vitro fertilization with Intracytoplasmic injection) are recommended.
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