After ten months of pregnancy, the baby is born, many parents think this process is so amazing!
Some mothers say that "although the baby in the stomach, but he knows everything, know which people are not good, he is particularly noisy. As long as he leaves the bad people, he is particularly good, let move a little, he is particularly gentle movement."
Pregnancy although hard, but the process of pregnant mothers can also enjoy a lot of other people can not enjoy the fun, such as the feeling of fetal movement, is not pregnant people can not feel the feeling of a lifetime.
The timeline of fetal hearing development: can you really hear outside sounds in the womb?
To know the answer to this question, it is necessary to understand the development of fetal "ears and hearing".
As the fetus develops from a fertilized egg into a full-fledged baby, all its organs are developing at the same time, including the ears, which are responsible for hearing.
3 weeks of pregnancy: the auditory system begins to develop;
4-5 weeks of pregnancy: the ear takes shape;
6 weeks of pregnancy: the auditory nerve begins to develop, with "indentations" appearing on the sides of the head, which then develop into ear canals;
8 weeks of pregnancy: nerve fibers begin to be distributed;
15-15 weeks of pregnancy: the ear develops at the same time. p>
15-20 weeks of pregnancy: the fetus's inner, middle and outer ears have been formed, in the 20th week of pregnancy, the fetus has the sense of hearing, but is not sensitive, can hear the outside world through the mother's body at a frequency of 1000Hz or less;
24-26 weeks of pregnancy: the outer ear is fully developed, the auditory system is basically formed, cochlea morphology and the auditory nerve is basically complete differentiation, the structure of the baby when the baby is the appearance of the time, at this time! The fetus can hear sounds outside the womb;
27-30 weeks of pregnancy: the fetus can distinguish the mother's voice, and the ear can respond to sound stimuli received from the outside world, such as accelerated heartbeat, blinking, and so on.
From this development process, we can see:
① Around the 5th month of pregnancy, the fetus can hear outside sounds, but selectively, parents-to-be can give the fetus fetal education from this time, the sound is 500-1500hz, the fetus will feel more comfortable.
When the pregnancy enters the 4th month, the fetal development is stable, at this time, the pregnant mother can be appropriate exercise to promote smooth and rapid delivery, follow the G-movement APP during pregnancy to do Kegel exercises, enhance the pelvic floor muscle strength, help smooth and rapid delivery, but also help the body to recover after delivery ~
② By the 7th month of pregnancy or so, the fetus can distinguish the mother's voice, when the mother and he speaks, he will be The first thing you need to do is to make sure that you have a good understanding of your mother's voice and that she is talking to you, so you will be happy, but when you hear some "unfriendly" voices, you will be disgusted.
What the fetus hears in the womb may be different from what we think?
The fetus lives in an environment wrapped in amniotic fluid in the mother's womb, so when sounds come in, they are "soundproofed" by the belly and then passed through the amniotic fluid.
And, the fetus can hear the sound every day, not only the outside world from the sound of talking, car whistles, laughter and other sounds.
When the mother speaks, it causes abdominal ****ing, which the fetus can also hear.
Additionally, there are also the sounds of the mother's "physical development," such as the heartbeat, the sounds caused by the process of food digestion, and the turbulent flow of blood into the placenta. Isn't that interesting?
Will listening to so many complex sounds every day affect the hearing of the fetus?
Some mothers and fathers know that "noise" can have a negative impact on the fetus, so will it affect the baby if he hears so many complicated sounds every day?
These are the first time I've ever seen a baby in the world, and I've never seen one in my life!
As I said earlier, the sound is transmitted from the outside world, and will pass through the mother's body, amniotic fluid, plus the fetus to the sound wave conduction is mainly bone conduction, when he hears, the decibel of the sound is not so big.
As long as it is a normal daily environment, it will not cause adverse effects on the fetus.
But "noisy environments" should be intentionally kept away from, such as the environment filled with the sound of chainsaws during the renovation of the house, square dancing places, KTV, bars, movie theaters and so on.
Some studies have found that repeated or prolonged noise, especially low-frequency noise, can increase the risk of fetal hearing loss. If you are in constant noise for a long time, it may also increase the risk of preterm labor and low birth weight.
Therefore, expectant mothers during pregnancy should pay attention to stay away from repeated or continuous sharp and noisy sound environment to avoid noise pollution affecting fetal development.
How to give the fetus fetal education, which sounds they like?
Sound Fetal Education is a kind of Fetal Education, so what kind of sound is the sound that the fetus likes and also beneficial to the fetus?
For example, the voices of the mother and father, soft and soothing music, and the chirping of birds and insects in the park are all sounds that are beneficial to the fetus.
Buy a fetal education book, which will have an introduction to the method of fetal education, but also a lot of fetal education content, such as famous paintings, national science, fairy tales, music, educational games, etc., a page a day, or with the feelings of the read to the fetus to listen to the baby, or pregnant mothers themselves look through the baby will be very fond of the fetus.
There is a lot of fetal music on the Internet, and you can often play it for your baby to listen to, and it will also help with your baby's emotional control.
In addition to telling stories and listening to music, parents-to-be can often speak to the fetus and tell the mother's mood and thoughts at that time, and tell the father's heart, fantasies of his appearance, etc., which is also a good way to teach the fetus.
In addition to the quiet indoors to do the previous these fetal education, you can also take the baby to go outside to experience the natural sounds, such as going to the park for a walk, to go on picnics, listen to some of the natural sounds of nature, the development of the fetus is also very good.
In short, the fetus in the mother's womb has heard the sounds of the outside, and parents-to-be to seize the opportunity to give the fetus a good sound of fetal stimulation, to avoid the noise environment, in order to promote the fetus will be better development.