male infertility above age 65-66.

Causes

Factors relating to male infertility include:

Immune infertility

Antisperm antibodies (ASA) have been considered as the cause of infertility in around 10-30% of infertile couples. ASA production are directed against surface antigens on sperm, which can interfere with sperm motility and transport through the female reproductive tract, inhibiting capacitation and acrosome reaction,

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