Preface
If you want to reproduce, the boy provides sperm, the girl provides the egg, and the sperm combines with the egg to form a complete fertilized egg after entering the girl's body, and implants in the uterus to form a fetus, but there can only be one successful sperm.
So where do all the sperm that didn't fertilize go? After knowing the truth, it was really funny and distressing.
The main journey of sperm into the body
After a man and a woman have experienced a set of unhindered communication, the boy will ejaculate a lot of semen from the body, and the main components of this semen are protein and sperm, and most of the sperm will be excreted from the body due to gravity.
Some sperm cannot be expelled because they are ingested too deeply, and these sperm will travel all the way through the woman's vagina.
A small percentage of sperm will use the power of their tail to keep moving through the vagina, but there will be many obstacles in the way.
For example, cervical mucus, white blood cells, these substances can prevent further sperm movement, so that they can only stop there, and they have no chance with the egg sister.
The journey of sperm is not completely over, although the sperm that enters the fallopian tube is already considered strong, but the number is still a lot, their ultimate goal is not to enter the fallopian tube, but to find their own egg sister, which requires not only strength but also a certain amount of luck.
The appearance time of the egg sister is also limited, the eggs released by a woman in a lifetime are limited, and the viability of the eggs within 15-18 hours after the eggs are released from the ovaries is the best and the easiest to be combined.
If this time is exceeded, it is difficult to implant on the inner wall of the uterus, even if a fertilized egg is finally formed, and the sperm at this time will emit a special substance to help them find the egg sister, but even if they find the egg sister, the competitiveness is very high.
Most sperm will surround the egg, looking for an opportunity to enter it, but as long as one sperm enters successfully, the other sperm will never have a chance.
When the sperm and egg are combined, a real fertilized egg is formally formed, the fertilized egg will slowly divide and move to the uterus, find a comfortable way to implant, continue to absorb the nutrients inside the uterus, and the child will begin to grow in the mother's body.
This set of processes is the steps for children to come into this world, and it is unrealistic to lack any of them, so some people will have a doubt.
Since the journey of a fertilized egg can only be the union of one sperm and one egg, where do the other sperm that competed with it go after they were not successfully fertilized? Why did they disappear?
Where do the sperm go that doesn't get fertilized?
In the end, there can only be one sperm that can be successfully fertilized, but based on the thousands of sperm ejected by men, the probability of sperm success is too low, so where do all the other sperm that do not succeed go?
Some sperm may have lost their original active mobility and died due to their own lack of ability, and the volume of sperm was very small, only 60 microns.
However, they have to rely on such a small body to pass through layers of obstacles to reach the final fallopian tubes, some sperm are naturally very active, and some sperm in men are already exhausted when they come out of the male body, and they die halfway through.
When male sperm is ejaculated from a man's body, it will have a special alkaline substance on the surface, which is due to the special structure of the body, which can help protect sperm from the acidic substances in the woman's body.
However, as sperm penetrate deeper into the woman's body, the acidic attack will become more and more severe, and the alkaline substance on their surface will slowly disappear until the surface of the sperm is completely exposed to the acidic substance.
According to the summary of the Academy of Sciences, sperm cannot survive in an acidic environment for too long, at most 3-4 hours, as long as the time is exceeded, it will slowly lose its original vitality and gradually die.
The ultimate goal of sperm is to find its own egg sister, which is the main reason why it comes to the female body, if it does not find the egg sister at the specified time.
They will eventually face death, but if they want to find the egg sister, in addition to their own strength, they will also be blessed by luck.
There are two fallopian tubes in the female body, as for which fallopian tube the egg sister will be, no one knows, and the sperm is facing the fork in the fallopian tube, the choice also depends entirely on luck, and if you are lucky, you can choose the right way, and if you are unlucky, you will miss out on your egg sister.
Since the egg sister cannot be found, the sperm will survive in the woman's body for a very short time, and will slowly become surrounded by acidic substances until death.
The last reason is that sperm is not tolerant to high temperatures, as long as the temperature inside the body exceeds 37 degrees Celsius, it is already the best temperature for survival, and the sperm will lose its vitality and energy in a short period of time, and finally slowly die.
The quality of the sperm determines the quality of the baby
The quality of sperm determines the quality of the baby in the future, the child born with high sperm quality is healthy and intelligent, and the child born with low sperm quality will have more or less problems.
Therefore, when many pregnant mothers take a pregnancy test during pregnancy, they are often told by the doctor that there is something wrong with the child's body, such as deformity or mental imperfection.
According to expert statistics, a series of bad habits such as men's unreasonable work and rest time, smoking and drinking will lead to incomplete sperm development and low quality, and the formed fertilized eggs are not much better.
Therefore, I once again remind those parents who are preparing to have a baby that if they want to conceive a healthy baby, they must prepare for pregnancy well, adjust their schedule, go to bed early and get up early.
In particular, the man should quit all his bad habits, not smoking, drinking, gambling, and exercising regularly to ensure the quality and safety of the baby in the future.
After all, no parent wants their future baby to have any physical problems, so it is important to prevent it in advance.
Every baby born in the human world is a one-in-a-million existence, and they can only be born in the world after strict screening, and they have already begun fierce competition from the womb of women.
Survival of the fittest, survival of the fittest, perhaps this is why human beings should revere nature and life.
Primary sources
The Paper2022-07-29——After entering the woman's body, where do the sperm that have not combined with the egg go?