The second ultrasound study of the fetus allows you to estimate the course of pregnancy, to determine the compliance of the parameters of the development of the embryo norms and detect various genetic deviations, malformations.
Ultrasound for 20-22 weeks of pregnancy is also necessary to assess the number of accumulating waters, the state of the umbilical cord and the cervix.
If, after the doctor, the doctor has suspicions for the presence of pathologies, then re-ultrasound is appointed after 7-10 days.
Preparation for the ultrasound during the baby tooling is needed only in the early periods (in the first trimester) when a transvaginal study is carried out. The second planned screening does not need special training. Estimation of the state of the fetus is carried out by a transabdominal way, therefore there is no need to purify the genital organs before the procedure.
On the 20-24 week of pregnancy, the ultrasound is also not needed to fill the bladder, since there are oily water, protruding conductor for ultrasonic waves.
The only requirement to pregnant at the time of the examination is a positive attitude and calm.
Before the procedure, it is not recommended to eat products that increase gas formation in the intestine (bean, peas, cabbage).
Before going to the second planned ultrasound during pregnancy, you must take a diaper or sheets, napkins (handkerchings) and all the necessary documents (passport, medical card, pole). On the 20-24 week of gestation, ultrasound examination is carried out using a transabdominal sensor and consists of several steps:
The duration of the second planned ultrasound during pregnancy is 20-30 minutes. The procedure passes absolutely painless and does not cause the embryo any harm.
The second planned ultrasound of the fetus is made in the II trimester (after about 24 weeks of pregnancy). There are important medical tasks in front of it. The first of them is the study of the structure of the body of a developing kid. In addition, in the II trimester allows you to identify existing anomalies and diseases.
The second ultrasound is carried out in the period from 20 to 24 week of pregnancy. The second trimester is the time when the development of the fetus has reached the level that allows you to estimate its growth and state to more with higher quality. In the second trimester it is still possible to interrupt pregnancy with minimal losses for the mother, if the fetus will be found pathologies that are not compatible with life.
According to the testimony, the second ultrasound can be assigned to an earlier period (up to 20 weeks). To re-second ultrasound, it is desirable to future mothers whose age has reached a turn of 35 years. In addition, the repetition of the procedure is to accelerate the repetition of the procedure in the case of hormonal disorders in the mother's body (change relative to the standards for the detention of estradiol, hCG and other).
on what time can I repeat the study in case of a dubious result? An obstetrician-gynecologist, leading pregnancy, can prescribe an additional study after 1-2 weeks. Ultrasound - a safe procedure and can be carried out as often as necessary.
In the second trimester during the second ultrasound, the fetus size is established. The state of the placenta, fetus, umbilical cord and the amount of amniotic fluid is estimated. The second planned ultrasound is aimed at eliminating the pathologies of the child's development in the womb:
on the second planned ultrasound (in the II trimester) of the fetus, that is, the definition of its size, which will be informative to evaluate the state of the degree of the kid. The results are compared with a pregnancy term calculated according to the latest menstrual bleeding. Fetometry includes definition:
. This makes it possible to detect deviations from the norm: bone development anomalies that may be evidence of chromosomal defects (decrease in bone size, smoothed features of the face of the skull).
Ultrasound gained its widespread due to the obvious advantages over other methods of diagnosing the state of the fetus and the most pregnant woman.
1. This is a non-invasive method of examination, that is, it does not provide for the penetration of the body of a pregnant woman, and therefore it does not cause the risk to infect any infection. Given that already in the first trimester of pregnancy in the body of a woman there is physiological immunosuppression (natural decrease in immunity), this quality of ultrasound research is very important.
2. The survey procedure does not cause unpleasant sensations, which is also important for a pregnant woman whose nervous system is somewhat weakened by hormonal changes occurring in the body.
3. Ultrasonic research allows you to obtain the maximum number of important information, the decoding of which does not represent complexity and does not require a large amount of time.
The second planned ultrasound is recommended to hold on the twentieth-twenty-fourth week of pregnancy. On the one hand, on an earlier period, some serious defects of development are difficult, for example, the defects of the heart structures, on the other, lesions relating to testimony to interrupt pregnancy, it is necessary to identify as early as possible.
It should be noted that the second planned ultrasound during pregnancy on this period is such precisely as part of screening. In fact, it can be the fifth, and the tenth on the score, since under certain testimony, the doctor may appoint unscheduled additional research..
According to the recommendations of specialists, the second ultrasound examination of women is recommended to go on a period of 20 to 22 weeks. This period is not chosen by chance, because when the "equator" is reached, the developmental defects can be revealed, in the presence of a pregnancy interruption can be recommended. At a later date, artificial abortion is a greater danger of health and even the life of a woman!
The term of the second ultrasound can be appointed earlier than on the 20th week. The earlier passage of the survey can be recommended in the case of detection of deviations in the content of some hormones (human chorionic gonadotropin, estradiol, etc.). It is also preferably a little earlier to pass the ultrasound women over 35 years old.
Pregnant diagnosis includes an extensive list of laboratory and instrumental methods. Ultrasound and screening in the first trimester occupy one of the most important places in the required list. This procedure has proven itself as an indispensable method of research during the period of pregnancy. After the primary, the question "How many weeks do the second screening ultrasound do?" It is often emerging in future mothers. Diagnostics in the established periods allows you to get the most reliable and detailed information about the course of pregnancy and the growth of the future child.
This procedure is performed for 20-24 weeks. Date is appointed by a doctor who observes a pregnant woman, individually. Ultrasound is carried out transabdomomomotional. In most cases, this is enough. Transvaginal diagnostics resort only due to the low location of the fetus.
The methodology for the second ultrasound screening is not easy, requires great professionalism and attentiveness from the diagnostic. It is this survey that is carried out to identify the defects of development and anomalies. In addition, on its basis, the issue of interruption of pregnancy in medical reasons is being decided.
in the chest - the development of the lungs with breathing paths and a diaphragm. Inspection of the heart necessarily includes measurement of the frequency of abbreviations, studying in a four-chamber and cut through three vessels.
When examining the abdominal cavity, the condition of the wall, the formation and structure of the liver with a bungulum, gastrointestinal tract, kidneys and bladder is noted.
The upper and lower limbs are diagnosed with pairs along the entire length, each of which count the number of fingers.
Ultrasound examination is a procedure that is carried out in a planned manner three times. At each stage of the development of the child, the doctor receives valuable information about its health, presence or absence of deviations. The second ultrasound during pregnancy is made on the period of 20-24 weeks. At this time, the doctor can already determine the gender floor, the abdominal circle, the size of the bones and heads - on the basis of the data obtained, can be judged whether the fetus develops correctly.
The value of the planned ultrasound for a doctor and the woman itself is invaluable - when identifying pathologies from crumbs or signs of problems with the placenta, specialists will be able to adopt therapeutic measures in time. Therefore, to miss the study, not counting it mandatory, or not to pass due to fear of harm to the ultrasound for the baby - it is unacceptable. Scientists have long confirmed that the procedure is safe and does not have a negative impact on the health of the child, and the female consultation provides regular inspections of the future mother.
If during the study in the first trimester did not reveal visible deviations in the development of the fetus, then the second ultrasound is carried out in 21-22 weeks. An earlier procedure is required when with a scheduled survey on hormones, in 16-18 weeks, (Pap-A, AFP, Estriol) were detected changes in normal background. Then the second ultrasound is better to do in 19-20 weeks.
At the very beginning of the second trimester, it is prescribed a survey of women after Eco, as well as patients over 35 years old due to the increased risk of intrauterine malformations. This is important, because until the deadline is beginning to go, during the presence of serious testimony, it is still possible to send to the interruption of the toal. If during the second planned ultrasound of the doctor, doubts arise in the results, the re-study should be conducted after 7-10 days. This will allow you to track the development of the fetus in the dynamics, confirm or disprove the fears.
The second planned ultrasonic scanning during pregnancy is carried out from 18 to 21 weeks. Such compliance is necessary, since it is already possible to identify many vices that have not been manifested in the early stages of the development of the fetus.
Also, when ultrasound, the doctor necessarily determines the amount of accumulating water, assesses the state and position of the placenta, umbilical cord.
An important step is to inspect the reproductive system of the mother: the uterus and its structures, ovaries, additional formations (cyst, fibromy).
During the ultrasound in the second trimester of pregnancy, it is possible to determine the gender of the child, but this is not a primary purpose of the study.
Often the patient does not need special preparation, except for a positive attitude. This is due to the peculiarities of pregnancy: the uterus is enlarged and moves the nearby organs somewhat up. It is also not necessary to fill the bladder - its role plays amniotic fluid surrounding the fruit.
However, often the patients complain about a pronounced increase in gas formation in the intestine. In order for the meteorism to do not interfere with the study, recommend:
Before you go to the second planned ultrasound during pregnancy, you need to take care of availability:
For a comfortable inspection, it will be better if the woman comes in clothing that can be removed without significant effort.
The period of pregnancy is saturated with a large number of research. The second ultrasound during pregnancy occupies a special position. For gynecologists, this diagnosis provides a large amount of information, and the future mother helps to see his baby.
Ultrasound during pregnancy is carried out according to the approved three-fold scheme in the time limit. This allows you to make research more informative and do not load a woman with superfluous procedures.
The best deadline for the second screening ultrasound is considered to be 20-24 weeks of pregnancy. This period is selected during long-term research and observations. In this period, you can get answers to the main questions that are exciting gynecologists in the second trimester.
It is believed that the study is optimally done in the period of up to 22 weeks, since it is possible to interrupt pregnancy to this period when detecting severe malformations. Also, some specialists in solving the question of when to make a second ultrasound during pregnancy, recommend counting from the first study of 8 weeks.
Given the goals of diagnosis, the study is carried out gradually to evaluate all parameters.
Throughout the duration of the child, women take an ultrasound on the calendar three times. Each survey performs various purposes. The most informative and detailed conclusion about the health of the little man of doctors is issued after the second planned survey.
on what time do the second ultrasound take during pregnancy? When is it recommended to take screening? How to prepare for it? During pregnancy, what does the doctor study on the ultrasound? Below will answer questions.
Pregnant women undergo a calendar survey approved by the Ministry of Health of the Russian Federation. According to the order, the timing of three-time ultrasound diagnostics, the first of which take place in 10-14 weeks. When to do the second ultrasound during pregnancy? - According to WHO standards (World Health Organization) and the Russian calendar, they make a second ultrasound between 20 and 24 weeks of pregnancy. The term of the survey is not required. During this period, the child becomes viable.
Important! The second planned ultrasound during pregnancy takes place no later than 24 weeks.
If during the diagnosis of I trimester, deviations were revealed, the second procedure is assigned to 18-20 weeks. In this case, the survey passes within the screening. It additionally includes 2 blood tests on hormones and consulting a physician genetics. For ultrasound diagnostics, no preparation is required. Before surrendering the blood of a woman during the day does not use fatty, meat types of dishes and does not take food 4 hours before analysis.
The possibilities of various types of ultrasound make it possible to observe the development of the fetus organs during pregnancy. The size of the embryo to the second duration of the diagnostics increased, so it is visible on the screen in parts.
Important! According to the results of the second planned research, the doctor makes a final decision if the fetus has a pathology of development.
In the first examination, doctors can not yet see absolutely all processes of the growing organism, so such a mission is shifted to the second planned ultrasound, when the internal organs and kids systems are already formed and will almost finish their development.
Before no longtime, all pregnant women have appointed the passage of the ultrasound of the second trimester from 22 to 24 week. However, several years ago, these temporary frames were shifted.
According to the orders of the Ministry of Health, if the ultrasound is carried out within the framework of triple biochemical screening, then it is necessary to choose the period from 16 to 20 weeks.
If no deviations at the first screening study ("double test") were observed, then doctors recommend to carry out only the scheduled ultrasound of the second trimester for a period of 18-22 weeks (but no later than 22 weeks).
This period is established by the World Health Organization, because it is now the child begins to be considered potentially viable, which means that an artificial interruption of pregnancy becomes invalid.
But there is also the reverse side of the medal. Many ultrasound diagnostic specialists suggest that up to 22 it is not possible to diagnose some malformations of the development of a cardiovascular system of the fetus. Best of all the work of the heart of the baby Mono to evaluate from 23-24 weeks of pregnancy.
Pregnancy is a long-awaited time for many women. As soon as the day of the beginning of this period occurs, there are many changes in its body for the favorable development of the child. Modern research methods allow you to better track the state of the fetus located in the womb, as well as the female small pelvis organs.
One of the most common and obligatory types of diagnosis includes an ultrasound study of the small pelvis organs. It is carried out several times at a certain stage of pregnancy.
The first ultrasound is made on a period of 12 weeks when it is possible to accurately establish a gestational age of a baby according to the menstrual cycle, its anatomical features and viability.
The second planned ultrasound examination is also very important after the suspension of the menstrual cycle. On it, doctors finally exclude or confirm the presence of congenital defects, and also look behind the dynamics of the fetus development.
The second ultrasound carries a lot of positive emotions for the parents of the baby. After all, on this time, the fruit acquired human contours, since it was enough formed. On the monitor it will be possible to see how he moves, tumbling, yawns or sucks a finger. On 3D visualization, the image is clearer, and besides there is an opportunity to see the features of the child's face.
But in addition to the emotional plan, such a procedure is still intended for medical diagnosis.
The second planned ultrasound is carried out in the period from 19 to 22 week of pregnancy, from the beginning of the termination of the menstrual cycle. Most often is appointed precisely by 20 weeks to obtain accurate information on the state of the health of the mother and the development of the kid.
We spend the second ultrasound during pregnancy for a period of 4-5 months. During this period, the sizes of the kid himself, its organs and systems allow for more detail and accurately inspect and identify possible violations.
The second planned study during pregnancy is prescribed on the 2nd trimester. It is better to carry out the procedure of the second ultrasound during pregnancy for a period of 20 to 24 week. Ultrasound examination at this stage helps to identify deviations in the development of the fetus or the state of human health.
The method of ultrasound examination depends on what time the second planned ultrasound is carried out:
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