-
The first three months of the fetus are some basic development, the fourth, fifth and sixth three months of the fetus is the development of bones and organs, and by the seventh month, the baby's brain reaches its peak, and fetal movements become more frequent.
-
1. The fifth week of pregnancy. In the fifth week of pregnancy, the fetal brain begins to develop rapidly, and the cerebral hemispheres begin to appear, and the neurological elements in the brain will also increase significantly, which is the initial brain neural circuit. 2. The tenth week of pregnancy.
The nerve cells of the fetus are told to develop during this period, and the generation of neurons is about 5,000 per second, and gradually forms the gray matter of the brain, which is the highest nerve center of the body, where the human mind and command and regulate the body and other activities are completed. 3. The twentieth week of pregnancy. About 20 weeks of pregnancy is the peak period of fetal brain development, at this time the fetal brain and fetal brain development begin to grow simultaneously, at this time the brain has 10 billion neurons, and nerve cells will begin to establish contact with each other.
-
In the second trimester, because the baby's organs have just developed at this time, it is the time to use the brain, and the mother needs to pay attention to her diet structure and eat more nutrients.
-
During the entire pregnancy, these 3 weeks are a critical period for the development of fetal intelligence, so don't make a mistake about it. However, the fetal brain development is not the same at any time, and the entire pregnancy, these 3 weeks are the critical period for the development of fetal intelligence.
1.5-6 weeks of pregnancy.
5-6 weeks of pregnancy is the first peak period of fetal brain development, at this time the fetus is not really a "fetus", it is still just an embryo, but his brain has begun to develop. From 5 weeks of pregnancy, the fetal brain will develop slowly, and the neurons in the brain will begin to multiply and arrange, which is to prepare for the formation of a primary neural network. Moreover, this is also an important period of fetal brain development, pregnant women should pay attention to nutritional supplements, and do not affect the fetal brain development because of their own problems.
2.Pregnancy is about 10 weeks.
At almost 10 weeks of pregnancy, the fetus's brain enters a second critical period of development. At this time, the fetal nerve cells will grow faster and faster, and enter the stage of full growth of neurons. Moreover, the cerebral cortex of the fetal cavity also began to develop during this period, which is basically the first period of fetal brain development.
Pregnant women should pay attention to supplementing more nutrients that are helpful for brain development, so that the fetal brain can develop better.
3.Pregnancy is around 20 weeks.
1. Normal people sleep for 6-8 hours (children's sleep time is about 10-12 hours, and babies are longer; Older people sleep slightly less). >>>More
The idea of pregnancy in October is due to the fact that the pregnancy cycle is 40 weeks. And there are four weeks in a month. That's ten months. If you follow the algorithm of 30 days in a month, it is more than nine months. So there is also a pregnancy in September. Said to be born in October.
The peak time of mosquito infestation is in the summer evening, especially if you live in a mountainous village, and at night mosquitoes will fly outside from shady places to find targets to suck blood. Mosquitoes are afraid of cold and heat, and things will smell after a long time in summer, these smells are the easiest to attract mosquitoes, and careful people will find that there are many mosquitoes hidden next to the garbage can every summer, and their living environment is dirty, and they will spread the virus while sucking blood. >>>More
Deep sleep is a part of sleep, accounting for only 25% of the total sleep time, and deep sleep is also known as "** sleep". A person's nighttime sleep is generally divided into 5 to 6 weeks of cycles, with each sleep cycle of about 60 minutes and 90 minutes. Depending on the changes in brain waves, electromyography waves, and eye activity during sleep, the sleep cycle consists of non-REM cycles and REM cycles. >>>More
Gestational age of 37 to 42 weeks is full-term, so it is usually less than 10 months.