12 weeks of pregnancy: standards for ultrasound and screening - Family clinic Opon Yekaterinburg

One of the most important studies in the first trimester of pregnancy is a comprehensive examination of a woman for a period of 11-13 weeks to identify hidden defects of the child's development - the so-called first screening during pregnancy, or screening of the first trimester. This examination includes ultrasound and biochemical screening (analysis of specific markers in the blood).

Ultrasound Research

The cost of ultrasound in the first trimester in the period of 10 weeks of 6 days is 550 hryvnia. The price includes the conduct of prenatal screening, biometrics on protocols, 3D / 4D visualization.

Cost of complex prenatal screening on PRISCA (ultrasound + beta hgch + rarr with the calculation of the individual risk of chromosomal pathologies (for example, Down or Edwards syndrome) - 1005 hryvnia.

On the ultrasound of the fetus in 12 weeks of pregnancy, a number of very important measurements are held to identify the risk group for chromosomal fetal anomalies. It has been established that the most optimal period for the screening of the first trimester of pregnancy is 12 weeks of pregnancy (from 11 to 13 weeks and 6 days). With the ultrasound of the fetus in 12 weeks of pregnancy, except for the embryo length (Copchiko-Dark Size - CRT), the size of the fetus head (head circumference, biparity size, frontal-occipital size). Mandatory with ultrasound of the fetus in 12 weeks of pregnancy is the assessment of the structures of the brain of the fetus, the symmetry of the hemispheres. Normally, the brain of the fetus on the ultrasound has the appearance of a butterfly. Long bones of the fetus are measured (shoulder, elbow, radial, femoral, tibial, small-terber), the symmetry of the limbs, their motor activity is estimated.

In addition to the above measurements during the ultrasound of the fetus in 12 weeks of pregnancy, screening is made to chromosomal pathologies of the fetus. It is established that most chromosomal pathologies are accompanied by an increase in the collar space located in the field of the fetus neck. Such a feature is caused by the fact that during the chromosomal anomalies of the fetus, in particular during Down syndrome, the skin has an increased folding, that is, roughly speaking, the skin is greater. Under such skin, a fluid accumulates, which contributes to visualization when the fetal ultrasound is 12 weeks of pregnancy thickening the collar zone. In fruits with a disturbance of the karyotype (during chromosomal diseases) the thickness of the collar zone by 2.5mm (or more) is greater than the average for this period of pregnancy in fruits with normal karyotype.

ultrasound of the fetus in weeks of pregnancy during Down syndrome

On the 12th week, ultrasound can be performed as a transvaginal method (using the sensor entered into the vagina) and the abdominal method (using a transabdominal sensor) through the skin of the abdomen. As preparation for abdominal research during this period, a woman needs to drink 0.5 liters of non-carbonated water for half an hour before the survey.

Decoding results and norms

In the process of conducting an ultrasound research, the doctor records everything in writing all the results and forms a protocol on the status and development of the fetus with entry into it on possible identified violations or suspicion of them. In this case, the data obtained must be verified with the regulatory parameters corresponding to the specified period of pregnancy.

goals and testimony for diagnostics

Prenatal screening is carried out in 2 directions - ultrasound examination and biochemical analysis (the chorionic gonadotropin of man and a number of other indicators are analyzed) with their subsequent decoding. For this reason, it is also called "double dough". But this screening is performed only by testimony. These include:

What indicators are investigated?

Deciphering results should be trusted only by specialists, as they have sufficient competence, thereby minimizes the risk. Usually this screening is done in specialized centers with good equipment. Ultrasound is conducted by the doctor of the highest category, which has passed special training. Deciphering biochemical screening is engaged in genetics.

Definition of the floor on this period

Ultrasound - one of the most important diagnostic methods during pregnancy, which, along with high performance, is also different. Ultrasound at 12 week is one of the components of screening and is recommended for passing, since at this time a normally developing child is already clearly visible and can be assessed according to some very important indicators to exclude deviations from the norm.

testimony to ultrasound

Ultrasound at the 12th week of pregnancy is the first of ultrasound screening and is recommended to all future mothers. However, in some states, ultrasound control is extremely important. These include:

How is the study and preparation for it?

more convenient for both the doctor and for a future mother, and a secure method is a transabdominal ultrasound. The ultrasound sensor of the device, pre-lubricated with gel, is installed directly on the front abdominal wall of the pregnant woman.

Also this method is good because it does not require training. The only condition is use in an hour - half an hour before the study procedure 2 cups of non-carbonated fluid (water, juice, green tea and the like). At the same time, for a transvaginal method of ultrasound, a diet is needed for 2-3 days (depends on the intestinal work individually): you need to stick to a diet that excludes gas-forming products, such as legumes, cabbage, white bread, sweets. If still there is a feeling of bloating, then it is necessary to take a sorbitating drug that does not harm the child.