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Four-dimensional color ultrasound is generally performed around 20-28 weeks. Because the gestational week is generally divided into 3 gestational cycles. One is 1-3 months in the first trimester, 4-6 months in the second trimester, and 7-9 months in the third trimester.
The four-dimensional color ultrasound effect of these three time periods is also different. The best time to do 4D color ultrasound is 20-28 weeks. At this time, the limbs, various organs and organs of the fetus have all developed, and the amniotic fluid volume is also more suitable for fetal malformation screening.
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Four-dimensional color ultrasound is an important means of prenatal examination during pregnancy, mainly to rule out whether the fetus has structural malformations, four-dimensional color ultrasound is developed on the basis of two-dimensional color ultrasound and three-dimensional color ultrasound, which can dynamically observe the fetal structure in three dimensions. It is generally recommended to do four-dimensional color ultrasound at about 6 months of pregnancy, that is, 24 weeks, if you do four-dimensional color ultrasound too early or too late, it may affect the accuracy of the results. Because if ultrasound is done too early, the various organs of the fetus are not fully developed, resulting in a lack of clarity in the diagnosis, and if the four-dimensional color ultrasound is done too late, many times the various organs of the fetus are blocked from each other, and sometimes the accuracy will be affected.
Therefore, it is recommended to do four-dimensional color ultrasound around 6 months of pregnancy.
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In general, 24-28 weeks of pregnancy is the best time to do four-dimensional color ultrasound, because the fetus's limbs and main organs have been fully developed during this period, and the amniotic fluid at this time is also more suitable for fetal malformation screening. However, due to the different physical conditions of each person, and the time for four-dimensional color ultrasound examination is also different, it is necessary to consult a doctor to determine the examination time according to the physical condition of the pregnant woman and the actual situation of pregnancy. Four-dimensional color ultrasound can be done after any 12 weeks of pregnancy, but it should be emphasized that there is currently controversy about doing four-dimensional color ultrasound in early pregnancy (before 12 weeks of pregnancy), and for the sake of safety, it is recommended to do fetal four-dimensional color ultrasound after 20 weeks of pregnancy.
Preferably no more than 28 weeks. After 16 weeks of pregnancy, the limbs and major organs of the fetus have all developed, and the best time for examination is 22-26 weeks of pregnancy, and the amniotic fluid is more suitable for fetal malformation screening. When the fetus is about 24 weeks is the period of rapid development, the structure of the fetus at this period has been formed, the size of the baby and the amniotic fluid are moderate, the activity space in the uterus is larger, the fetal bone echo has less impact, and the image is relatively clear.
Due to the different physical conditions of each person, and the time for four-dimensional color ultrasound examination is also different, it is necessary to consult a doctor to determine the examination time according to the physical condition of the pregnant woman and the actual situation of pregnancy.
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The best time to do four-dimensional color ultrasound is 20 weeks to 28 weeks of pregnancy, because the fetal structure has been formed during this period, the size of the fetus and amniotic fluid are more suitable, and the activity space in the uterus is relatively large, which is convenient for the screening of fetal malformations.
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The best time for four-dimensional color ultrasound is 24 weeks to 28 weeks of pregnancy, that is, in the first month of pregnancy. Due to the perfect development of the fetus and the increase in amniotic fluid volume at this stage, the examination of four-dimensional color ultrasound can show most of the tissue and organ structure and the entire fetal development.
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Four-dimensional color ultrasound needs to be examined between 23-28 weeks of pregnancy, and most hospitals have to make an appointment in advance, so it is recommended to find a doctor to open a bill first, and then make an appointment in the B ultrasound room after paying the money, and then do the examination according to the appointment time. Due to the long time taken for the 4D color ultrasound examination, the number of 4D color ultrasound done every day is not much, so you must make an appointment in advance.
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Between 20 and 24 weeks of pregnancy, ultrasound is used to check whether the baby's development in the womb is in line with the gestational age; Whether the limbs, mind, and internal organs are properly developed, and then exclude some congenital diseases. Compared with three-dimensional color ultrasound, four-dimensional color ultrasound has good intuitiveness and clear images, which can better detect deformities. The best time for 4D color ultrasound varies from person to person, and the results obtained from 4D color ultrasound will be different at different times.
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Four-dimensional color ultrasound is currently the world's most advanced color ultrasound equipment, which can clearly display the real-time living image of the human internal organs. Compared with the previous ordinary B-ultrasound and traditional two-dimensional color ultrasound system, four-dimensional color ultrasound can intuitively and three-dimensionally display the three-dimensional structure and dynamics of human organs, observe the three-dimensional structure in real time, and have irreplaceable advantages for prenatal examination and diagnosis of various diseases for pregnant women, which greatly improves the accuracy of clinical diagnosis. More vivid, more intuitive and richer diagnostic information, which can observe the intrauterine growth and development of the fetus from multiple angles, and diagnose various congenital malformations of the fetus at an early stage, such as encephalocele, spina bifida, anencephaly, single-chamber heart, etc., to help expectant mothers give birth to a healthy and lovely baby.
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The best time to use four-dimensional color ultrasound is between 20 and 26 weeks, you can do four-dimensional color ultrasound, four-dimensional color ultrasound is now the most advanced and most accurate imaging technology, it can observe the fetus in the womb is mainly to observe the fetal limb development whether there is deformity, skull, face, spine neck, lungs, diaphragm, heart, intracranial structure, abdominal wall, abdominal cavity and other organs are developing normally, When pregnant, you can generally do two plural and color ultrasound, and at 30 weeks, you can do another four-dimensional color ultrasound, mainly to check the fetal heart development.
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Four-dimensional ultrasound can be performed during each pregnancy, but the best time is 20-26 weeks of pregnancy, when the main organs of the fetus have developed, the amount of amniotic fluid is appropriate, and the fetus has entered the abdominal cavity, which is convenient for the screening of fetal malformations. It is precisely because the four-dimensional color ultrasound is a three-dimensional display that it can illuminate the development of various organs of the fetus, and even observe the state of the fetus in the mother's body.
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The best month for doing four-dimensional color ultrasound is: 22-24 weeks, that is, 6 months when the month is good. Four-dimensional color ultrasound is generally done around 22-24 weeks of pregnancy, that is, about six months after menopause.
The fetus is about 24 weeks is the overall structure of the fetus has been formed, the size of the fetus and the amniotic fluid are moderate, the space for activity in the uterine cavity is larger, and the fetal bones have less impact on ultrasound imaging, so at this time, the four-dimensional color ultrasound can clearly see the tissues of each part of the fetus, which is also what some parents want to see, in addition, at this time, the four-dimensional color ultrasound can also improve the accuracy of malformation screening and timely find the external defects of the fetus.
A few months to do 4D color ultrasound is the best period.
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The best month for doing four-dimensional color ultrasound is: 22-24 weeks, that is, 6 months when the month is good. Four-dimensional color ultrasound is generally done around 22-24 weeks of pregnancy, that is, about six months after menopause.
The fetus is about 24 weeks is the overall structure of the fetus has been formed, the size of the fetus and the amniotic fluid are moderate, the space for activity in the uterine cavity is larger, and the fetal bones have less impact on ultrasound imaging, so at this time, the four-dimensional color ultrasound can clearly see the tissues of each part of the fetus, which is also what some parents want to see, in addition, at this time, the four-dimensional color ultrasound can also improve the accuracy of malformation screening and timely find the external defects of the fetus.
Extended information: Because fetal development is dynamic, this ultrasound will be examined again at about 32 weeks, focusing on the soft tissues of the fetus such as lips, fingers, internal organs, cranium, etc. Of course, a professional obstetrician and gynaecologist will set an individualized examination time according to the situation of each woman.
Suggestions: 1. Eat more fresh fruits, vegetables and various vitamins during pregnancy. 2. Regular prenatal check-ups.
3. Pay attention to the fetal heart rate and fetal movement. <>
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It is recommended that pregnant women have a better examination during the following trimesters, and the best period is 16 weeks to 24 weeks (the best time to obtain images of facial and visceral structures is 20 to 24 weeks).
First check-up: It can be around 14 weeks of pregnancy. In the process of four-dimensional real-time examination, the overall movement of the fetus can be observed to see whether the overall activity of the fetus is coordinated, but the fetal face is not well displayed at this time, and the internal organs are not clearly displayed.
Second check-up: This can be done around 22 weeks of pregnancy. At this time, the fetus is larger than before, and the overall structure of the fetus cannot be shown on the same image, but the local structure and movement state of the fetus are clearer than before, and serious fetal malformations can be found
Anencephaly, severe encephalocele, severe open spina bifida, severe pleural wall defect with visceral valgus, single-chamber heart, fatal achondroplasia, etc.
Third check-up: can be done around 28 weeks of pregnancy. At this stage, the fetal subcutaneous fat is fuller than above, the facial expressions are also richer, and all parts of the fetus are clearer than in the previous period, not only the diagnosis of the above types of malformations is more clear, but also the various expressions of the fetal face, such as eating fingers, drinking amniotic fluid, yawning, crying and other expressions are clearly visible.
In particular, some fetal malformations may not manifest until the third trimester or the third trimester, so ultrasonography in the third trimester is essential.
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It is more appropriate to do it at 20 to 24 weeks of pregnancy, because the fetus is relatively large during this period, the amniotic fluid is relatively large, and the ultrasound is good and easy to observe. The month is too small because the fetal organs are too small to be observed, and some of the fetal organs will not be observed due to the obstruction of the limbs.
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Hello, it is generally recommended to check four-dimensional color ultrasound at 20-24 weeks of pregnancy; Further exclude malformations of fetal organs such as absence of heart and limb, cleft lip, hydrocephalus, and gastrointestinal malformations. According to your situation, considering that you can do it, it is recommended to go to the hospital for an examination under the guidance of a doctor.
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Four-dimensional color ultrasound can display the real-time dynamic image of the unborn baby in the womb of a pregnant woman, and you can see the development status of the fetus, or the real-time living image of other internal organs. To provide accurate scientific basis for early diagnosis of fetal congenital malformations. The best time to do a four-dimensional examination is between 22 and 26 weeks of pregnancy.
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Four-dimensional color ultrasound is actually an examination of whether the fetus has malformations, and it can also take images of the fetus in the womb. Four-dimensional color ultrasound is actually an examination of whether the fetus has malformations, and it can also take images of the fetus in the womb. It's best to make an appointment in advance to avoid peak periods and then queue up for inspections to avoid waiting too long.
There is no need to have an empty stomach to do the four dimensions, so it is recommended that it is best to eat a full meal before going.
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The question of how long to do four-dimensional color ultrasound can vary slightly depending on the situation of each pregnant woman. Generally speaking, it mostly takes about 40 minutes, but it can be done in 20-30 minutes when the pregnant woman is thinner, the amniotic fluid is more, and the fetus is more cooperative. If the pregnant woman is fat or has less amniotic fluid and the fetus is not easy to see, it may take longer than 40 minutes.
The best examination time of four-dimensional color ultrasound is about 22 weeks, during this period, there is more amniotic fluid, the fetus is relatively small, it is easy to see the overall appearance of the fetus, and the face of the fetus and the skin on the body surface can be seen more clearly, so as to rule out superficial skin deformities. If visceral malformations are ruled out, it is better to have an examination around 24-26 weeks of pregnancy.
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There is guidance and advice from Xi Liang Huizhen.
Under normal circumstances, the time for a four-dimensional ultrasound examination at 20-24 weeks of pregnancy is not excessive. Just like a normal color ultrasound examination, it will take a little longer than the normal color ultrasound examination, but the four-dimensional color ultrasound examination will not affect the fetus. Moreover, it needs to be carried out in a normal number of weeks, and the results of the check are inaccurate beyond this time or less than this time.
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Generally, it is better to do four-dimensional at 24-28 weeks of pregnancy, and it is necessary to go to a regular maternity hospital for examination, and four-dimensional is required to make an appointment in advance, and it is best to make an appointment one month or one and a half months in advance. The time to do four-dimensional color ultrasound is generally about 20-40 minutes, and it only takes ten minutes for the baby to cooperate.
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The best time for 4D color ultrasound is generally between 22 and 26 weeks of pregnancy. Compared with other ultrasound examinations, four-dimensional color ultrasound can observe the dynamic movement of the internal organs of the human body in real time, and four-dimensional color ultrasound can observe the growth and development of the fetus in utero in multiple directions and angles. It can provide an accurate scientific basis for the early diagnosis of fetal congenital body surface malformations and congenital heart diseases.
In the past, the ultrasound equipment could only check the physiological indicators of the fetus, but the four-dimensional color ultrasound can examine the body surface of the fetus, such as cleft lip, cleft palate, spina bifida, brain, kidney, heart, bone dysplasia, etc. Having a smart and healthy little baby, and being able to make a ** or VCD out of what your baby looks and does, is no longer a fantasy.
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The process is very fast, a few minutes to ten minutes.
Generally speaking, 24-28 weeks of pregnancy is the best time to take four-dimensional color ultrasound, because the fetus is about 24 weeks is the period of rapid development of the brain, the fetal structure has been formed during this period, the size of the fetus and the amniotic fluid are moderate, the activity space in the uterus is larger, the fetal bone echo impact is relatively small, and the image is relatively clear.
Four-dimensional color ultrasound can display the real-time dynamic image of the unborn baby in the womb of a pregnant woman, and you can see the development status of the fetus, or the real-time living image of other internal organs. To provide accurate scientific basis for early diagnosis of fetal congenital malformations. The best time to do a 4D examination is at 22 to 26 weeks of pregnancy, when the amniotic fluid is sufficient to facilitate the examination
Generally, four-dimensional color ultrasound is done at 20 to 26 weeks of pregnancy, and four-dimensional color ultrasound should be made in advance. You can go directly to the obstetric outpatient clinic with the relevant documents**, or you can go to the obstetric outpatient clinic through the Internet**, and the obstetrician will open a color ultrasound single to the color ultrasound room to make an appointment. Four-dimensional color ultrasound does not require holding urine or fasting. >>>More
During the 22nd to 26th week of pregnancy, you need to do a four-dimensional color ultrasound examination, which can screen the health status of the fetus and whether there are malformations. After this time, you will not be able to do this kind of screening program.
In general, the hospital has to make an appointment in advance to do four-dimensional color ultrasound, because four-dimensional color ultrasound is a must for every pregnant woman, and the gestational age of four-dimensional color ultrasound is generally 24-28 weeks, and it is recommended that you make an appointment at about 16 weeks.
I just finished two days ago, I saw that the report is written on the system fetal color Doppler ultrasound examination report is three-dimensional or four-dimensional, I don't know, I look at a public hospital, I need to make an appointment a month in advance, the report is mainly text-based, the content is quite comprehensive, including fetal double parietal diameter, head circumference, abdominal circumference, cerebellar transverse diameter, etc., as well as fetal weight, amniotic fluid, heart rate, blood flow ratio, and specific examination of fetal intracranial structure, face, spine, heart, limbs, abdominal viscera, umbilical cord, placenta** I only gave a small and very regular B-ultrasound single.