The most appropriate time period for ultrasound examination, known as detailed pregnancy ultrasound, 2nd level ultrasound, organ scanning or 4-dimensional pregnancy ultrasound, is between 18-23. It should be checked within weeks. In this examination, first of all, biophysical measurements of the baby are made. It is evaluated whether the measurements made with the date of the last menstrual period are within the appropriate week range. Thanks to these measurements, the baby's average weight and estimated birth date are determined.
First of all, the head and brain structures of the unborn baby are evaluated. The most important parameter regarding the baby's brain structure is the amount of cerebrospinal fluid. A possible increase in the amount of this fluid may indicate an increased risk of genetic diseases such as Down syndrome. The baby's facial structures are evaluated and whether there is a cleft lip and palate, eyelids and nostrils are evaluated.
The baby's chest and abdominal cavities and the organs located there are evaluated. The heart is one of the most important organs that needs to be evaluated in detail. Anatomical structures such as the four chambers of the heart, its valves, the wall structure in the middle of the heart, and the main vessels leaving the heart are evaluated. It is evaluated whether there is a possible mass in the lungs on both sides of the heart.
The organs in the baby's abdomen are evaluated one by one. The umbilical cord vessels and the place where the umbilical cord enters the baby's abdomen are checked for hernia. The fullness of the stomach and bladder is evaluated to evaluate the baby's swallowing and urination functions.
Arm and leg bones are evaluated and fingers are counted one by one. It is checked whether there is a problem in the joint structures. Finally, the placenta, which we call the baby's partner, the amniotic fluid, which we call the baby's water, and the birth canal are evaluated. It is evaluated whether there is a decrease or increase in amniotic fluid, whether there is an opening in the birth canal, and the position of the placenta. If the placenta is located between the baby and the birth canal, it is important to evaluate the position of the placenta as it may prevent normal birth.
This ultrasound examination is not a screening test. The position of the baby and the placenta, the thickness of the mother's subcutaneous fat tissue, and the increase or decrease in the baby's fluid flow may affect the quality of the examination. Therefore, 2-v It is done not as an alternative to tests such as e-triple screening tests, but to support them.
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