A fetal ultrasound sonogram is an imaging technique that uses sound waves to produce images of a fetus in the uterus. Fetal ultrasound images can help your health care provider evaluate your babys growth and development and monitor your pregnancy.
Medical books sectional fetal anatomy in ultrasound.
Fetal anatomy ultrasound. This sonogram is used to determine fetal anomalies the babys size and weight and also to measure growth to ensure that the fetus is developing properly. When the pregnancy hits the 20th week of gestation an anatomy ultrasound is often ordered. Those who want to can find out the sex of the baby if desired.
Continued advancement of ultrasound technology including increase in frequency and choice of focal position have improved visualization of fetal anatomy and therefore have also increased the required anatomic knowledge of these structures for those performing and interpreting fetal sonograms. By the 20th week of pregnancy the baby can weigh up to 11 ounces and measure 10 inches outstretched. Visualization of their brain 12 fig.
Determining fetal sex the gender of your babybabies can usually be determined at this ultrasound. The second trimester scan is a routine ultrasound examination in many countries that is primarily used to assess fetal anatomy and detect the presence of any fetal anomalies. Not the least of these has been the surge in ultrasonic imaging of premature neonates12 these tiny neonates are the equivalent of second trimester fetuses as early at times as 24 weeks.
The second trimester extends from 13 weeks and 0 days to 27 weeks and 6 days of gestation although the majority of these studies are performed between 18 and 23 weeks. In some cases the baby may have their legs crossed or be facing away from the abdomen and thus the sexual organs will not be visible during the anatomic ultrasound. 9 1 and abdominal fig.
Sectional fetal anatomy in ultrasound the basis for a sufficient ultrasound examination in obstetric diagnosis is a knowledge of the normal systematic and sectional topographic anatomy of the fetus. 9 ultrasound evaluation of normal fetal anatomy. In some cases fetal ultrasound is used to evaluate possible problems or help confirm a diagnosis.
The anatomy scan is a level 2 ultrasound which is typically performed on pregnant women between 18 and 22 weeks.
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