Sperm vitality decreases after 40 years old.Men's sperm vitality changes with parabola with age, of which 20 to 40 years old is the best time.So, is the 50 -year -old sperm survival rate?
50 -year -old men's sperm survival rate is high or not
1. 50 -year -old men's sperm survival rate is high or not high
After the age of 40, men's sperm vitality will decrease at a rate of 0.7%per year, and deformity sperm will be increasing.In addition, at the moment of ejaculation, the sperm concentration reaches its peak.
2. Changes in the number of sperm
The number of sperm changes with the season, the least in summer and the most winter.Because "low temperature environment" is the best choice for sperm, heating will lead to a reduction in sperm.Put your computer on your thighs, toilets, and hot bathing habits, which will also cause the male private part to overheat (more than 40 degrees Celsius), resulting in a large decrease in sperm.The state where the number of sperm is reduced by high temperature can last for several months, so men who are preparing for children should not take a sauna or take a hot bath for a long time.
3. The structural function of sperm
Sperm looks like a tadpole, with a total length of about 66 & mu; m, separated head, tail.
The front of the head is oval, with pear -shaped sides, and contains a nucleus with a very dense chromatin and a top body.The top body is a membrane cells, covering the apex in front of the nucleus.The top body contains a variety of hydrolyzed enzymes, such as hyaluronase, tie enzyme, and acid phosphatase, which are equivalent to huge lysome.
The center of the tail contains a shaft (similar to whip hair) that runs through the whole tail, and the middle section contains a spiral arranged mitochondrial.
The main function of sperm is forward movement and fertilization with eggs, thereby sending genetic materials into ovarian parent cells.During sexual intercourse, semen was ejected into the vagina, sperm came out from the middle of the sperm, crossed the cervix, uterine cavity, and fallopian tube gorge.Women's reproductive tract is full of sticky liquids, and the mucosa of the fallopian tube gorge to form twists and turns. This has a great resistance to the transportation of sperm and also plays the role of eliminating sperm.Ovarian mother cell location.
What should I do if I want a high sperm survival rate?
1. Avoid high temperature:
Try to go to the sauna and steam bathroom, because high -temperature steaming baths will directly hurt the sperm, and it will also suppress the sperm production.
2. Prevent excessive obesity:
The excessive obese of the male friend's body will cause the temperature at the groin to continue to rise and damage the growth of sperm. Therefore, it is necessary to control the quality of sperm within the scope of the standard.
3. Eat more green vegetables:
Green vegetables contain vitamin C, vitamin E, zinc, selenium and other ingredients that are conducive to sperm growth. Nuts and fish are rich in Omega 3 fatty acids. They should also eat more, which is conducive to sperm cell growth.
4. Quit smoking:
Smoking is called a killer of male infertility. It takes 90 days for men's sperm to mature. During this period, the related sperm damage caused by smoking exists, so men need to quit smoking for at least 3 months to ensure harmlessness.
A performance of low sperm survival rate
There are too many dead sperm:
Dead sperm refers to multiple semen examination, and sperm is a dead person.Under normal circumstances, within 1 hour of semen excretion, more than 70%of the sperm survival should be more than 70%. If the dead sperm exceeds 40%, it will affect conception.Sperm survival time should be maintained by a 6 -hour survival rate of more than 20%. If there is no survival sperm within 6 hours, it can cause infertility.
Sperm abnormalities:
Sperm abnormalities refer to the amount of sperm, quality abnormalities, malformations, etc., which are a type of semen abnormalities.
Low sperm vitality:
Sperm vitality is an indicator of the number of sperm and quality. The content includes the number of normal movement sperm in semen, that is, sperm activity, and the quality of normal activity sperm, that is, sperm activity.The solid diagnosis method of sperm vitality has not yet been unified, but it tends to the level 5 classification method. The content is: level 0 is vitality.Level 1 is poor vitality, indicating that sperm only moves or rotates in place.Grade 2 is medium to vitality, indicating that sperm swims straight forward, but is not active.Level 3 is good, indicating that the sperm activity is good, and the 4th level of vitality is very good, indicating that the sperm is actively swimming forward.Low sperm vitality means that sperm vitality is below level 2, and the number of sperm sperm is less than 50%.
(Editor in charge: Wang Shaohua)
