4D Pregnancy Ultrasound (Detailed Pregnancy Ultrasound)

Ultrasound examination, known as detailed pregnancy ultrasound, level 2 ultrasound, organ scan or 4-dimensional pregnancy ultrasound, is 18-23 for the most appropriate time interval. should be checked within weeks. In this examination, first of all, the baby’s biophysical measurements are made. It is evaluated whether the measurements made with the last menstrual period are in the appropriate week range. Thanks to these measurements, the average weight of the baby and the estimated date of birth are determined.

First of all, the head and brain structures of the baby in the mother’s womb are evaluated. The most important parameter regarding the baby’s brain structure is the amount of cerebrospinal fluid. A possible increase in this amount of fluid may indicate an increased risk for genetic diseases such as Down syndrome. By evaluating the facial structures of the baby, it is evaluated whether there is a cleft lip-palate, eyelids and nostrils.

The thoracic and abdominal cavities of the baby and the organs located there are evaluated. The heart is one of the most important organs to be evaluated in detail. Anatomical structures such as the 4 cavities of the heart, its valves, the wall structure in the middle of the heart, and the main vessels coming out of 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 in order to evaluate the swallowing and voiding functions of the baby.

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 wife, the amniotic fluid, which we know as the baby’s water, and the birth canal are 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 are evaluated. 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 delivery.

This ultrasound examination is not a screening test. The position of the baby and placenta, the mother’s subcutaneous fat tissue thickness, the increase or decrease in the baby’s water may affect the quality of the examination. For this reason, it is not done as an alternative to tests such as double and triple screening tests, but to support them.

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