Presumably every adult knows that sperm is one of the essential conditions for fertility and is essential.Therefore, when there is a problem with a male sperm, it will affect fertility.So, what are the causes of low sperm vitality?
The cause of low sperm vitality
1. Extractional semen liquefaction: Semen is not liquefied or high viscosity is one of the causes of male sperm vitality, which causes infertility by affecting the exercise ability of sperm.In the semen non -liquefied sperm pulp, slender fibrin can be seen and weaving between each other to reduce the space of sperm activity, sperm is restrained. At the same time, the crude fiber is also connected to many fine fibers into a network. These may be mechanical.Limit the cause of sperm forward movement.
2. Immune factors: Anti -sperm antibodies (ASAB) can affect the fertilization function of sperm from several different ways.The impact on the vitality of sperm comes from the combination of ASAB and sperm tails, causing the vitality of sperm to be hindered, the exercise ability has decreased, and the penetration ability is also poor.The decline was confirmed.
3. Infection: The acuterous tract or the acute and chronic inflammation of the reproductive tract or the prostate or the prostate of the epididymis, the vascular vascular, the seminal vesicles, and the prostate may reduce the exercise ability of the sperm.The impact of infection on sperm vitality can be multi -faceted, which has different degrees of influence on men's sperm vitality.
4. Endocrine factors: In addition to the occurrence and maturity of sperm, endocrine hormones also affect the motion ability of sperm. For example, excessive testosterone in the sperm can inhibit sperm movement, which will cause low sperm activity.
5. Sperm vein song: Sacrifice varicose veins can cause male infertility through various ways. It not only affects the occurrence of sperm, but also causes sperm vitality to decrease.
6. Kartagner's syndrome: This condition was discovered by Kaish in the early 1930s.In addition to sperm, patients with this syndrome may also affect chronic respiratory infections.
7, chromosomal abnormalities: ingredients and sex chromosomes are removed from the number of sperm, which also affects the sperm's activity and forward movement ability.Because the interaction between the central microtubquin and radiation spoke can adjust the gliding of the outer microtubquine, and when this structure is abnormal, sperm disorders will occur.
8. Other factors: For example, men who smoke, long -term drinking, and men engaged in high temperature, radiation occupation and contact with chemical poison can cause sperm vitality.
How to judge low sperm vitality?
According to experts, the vitality of sperm vitality is the most vigorous and the best vitality during the age of 25-30! Once the best period of sperm vitality is low, it will be difficult to conceive.As a result, sperm vitality is low and is not easy to conceive.
Sperm vitality is evaluated based on the quality of sperm activity, activity sperm percentage and sperm survival time.The normal sperm vitality announced by the World Health Organization is ab> = 32%.The percentage of sperm percentage within 1 hour after exclusion is 67%-15%, and the percentage of sperm percentage of activity sperm 6 hours after the discharge is 20%.When sperm vitality is lower than the above standards, sperm vitality is low.
(Editor in charge: Zheng Guisheng)
