Men's infertility experts say that one of the factors that cannot be ignored is the change in the quality and quantity of male sperm, which directly affects male fertility.An ideal male birthplace method should not affect the second sexual function and sexual function of men, do not interfere with the overall balance of endocrine, and generate reversible inhibitory effects on the generation of sperm and the function of sperm.
Men's reproductive activities can be summarized as sperm occurrence, mature sperm, semen emissions, sperm operation in women's reproductive tract, and sperm until fertilization and other key steps. ThereforeSperm is the first choice for male birthplace methods.
1. Kill the sperm directly
This is a simple method, does not affect sexual function, non -toxic side effects, no irritation to the vaginal mucosa and penis, and has no effect on the development of embryos and fetuses.The specific drugs are placed in the vagina, which quickly kills or loses the fertilization of sperm after contact with sperm. It is commonly used for the surfactant RAMSES contraceptive glue and non -surface active agent.If you can not kill the sperm and suppress the fertilization function of sperm & mdash; & mdash; inhibit sperm movement, prevent the obtaining or top body reaction, and hinder the seizure of sperm into the envelope of the eggs.
2. Feel the maturity, vitality and fertilization of sperm
From the perspective of sperm generation, interferery epididymal function and sperm maturity are the most ideal way of nodding. This method takes effect quickly. It does not affect the sperm production and endocrine function, without teratogenic and mutant effects.However, the current essence of sperm and some functions of epididymia are not clear, and further research needs to be studied.
3. Inhibit sperm production
Interfeilate the secretion of the pituitary by the LH-RH antagonist and the agonist, prevent the secretion of the pituitary FSH, and directly interfere with the sperm in the testicles.These methods have inhibitory effects on sperm, but also have certain side effects. The drug can cause damage to the testicular tissue structure, which makes the testicular softer and is not convenient to use.
4. Prevent essence eggs from meeting
This is a commonly used method. The simplest is the use of penile sleeves. It is currently tending to produce ultra -thin or even medicine.Volticism ligation is another way to prevent the meticulous encounter.Some people use drugs to interfere with ejaculation processes to prevent sperm from discharging sperm and make sperm eggs unable to combine.
(Editor in charge: A Qiu)
