Many are interested in what trimester of pregnancy is a biochemical analysis and ultrasound performed? In the second trimester of pregnancy, a comprehensive examination is made, without exception, to all women. It is necessary to determine a positive or negative response with respect to data obtained earlier, as well as with symptoms that appear, in which an ultrasound scan is indicated.
Ultrasound (2 trimester of pregnancy) can be done only with certain rules of preparation for the procedure. The interpretation of the data obtained is carried out in accordance with the same principles as in the first examination.
The second screening when carrying a baby involves two stages:
- Ultrasound in the 2nd trimester of pregnancy.
- Screening test - a blood test in the veins for a number of hormones.
The main indications for the survey
Studies are carried out exactly according to the same indications as in the first trimester:
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