Male Infertility A child of my own - Andrology Australia
Male Infertility A child of my own - Andrology Australia
Male Infertility A child of my own - Andrology Australia
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CAUSESWhat are the kn<strong>own</strong> causes <strong>of</strong> male infertility?<strong>Male</strong> infertility can be caused by problems thataffect sperm production or the sperm transportprocess. With the results <strong>of</strong> medical tests, thedoctor may be able to find a cause <strong>of</strong> the problem.Kn<strong>own</strong> causes <strong>of</strong> male infertility can be:Sperm production problems: The most commoncause <strong>of</strong> male infertility is due to a problem inthe sperm production process in the testes. L<strong>own</strong>umbers <strong>of</strong> sperm are made and/or the sperm thatare made do not work properly. About two thirds<strong>of</strong> infertile men have sperm production problems.Blockage <strong>of</strong> sperm transport: Blockages (<strong>of</strong>tenreferred to as obstructions) in the tubes leadingsperm away from the testes to the penis cancause a complete lack <strong>of</strong> sperm in the ejaculatedsemen. This is the second most common cause<strong>of</strong> male infertility and affects about one in everyfive infertile men, including men who have had avasecto<strong>my</strong> but now wish to have more <strong>child</strong>ren.Sperm antibodies: In some men, substances in thesemen and/or blood called sperm antibodies candevelop which can reduce sperm movement andblock egg binding (where the sperm attaches to theegg) as is needed for fertilisation. About onein every 16 infertile men has sperm antibodies.MALE INFERTILITY 15
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