![]() ![]() While there is no ultrasound that can detect 100% of serious birth defects, most birth defects that are undetected with a Level 2 ultrasound usually are clinically less significant (such as a small hole in the heart which commonly closes on its own after birth). The detection rate for birth defects with a Level 2 ultrasound is around 70 - 80%, while the detection rate can be as low as 15 - 20% with a standard Level 1 ultrasound. However, the detection of some birth defects (i.e., heart defects) at the time of the Level 2 can help with prenatal treatment or immediate treatment at delivery to prevent serious complications or an adverse outcome. ![]() Also, there is usually nothing anyone could have done to prevent the birth defect. If a baby does have a birth defect, usually there is nothing the mother did to cause it to happen. The vast majority of patients who have a baby with a birth defect are considered low risk at the beginning of the pregnancy. ![]() The sonographer will also be looking at your amniotic fluid levels, the location of the placenta, and the fetal heart rate.Ĭommon reasons for a Level 2 ultrasound include family history of birth defects, maternal medical problems associated with birth defects (poorly controlled diabetes, for example), exposure to medications associated with birth defects, advanced maternal age of 35 or older, abnormal screening results, and birth defects suspected from a Level 1 ultrasound. A survey of the organs, including the umbilical cord, ensures that they are developing normally (or identifies any potential problems as soon as possible). The four chambers of the heart will be viewed, as well as the kidneys, bladder, stomach, brain, spine and genitalia. A Level 2 ultrasound examination requires appropriately trained physicians and ultrasonographers as well as state of the art ultrasound equipment.ĭuring a level 2 ultrasound, baby will be measured from crown to rump, around the middle, around the head - and that's just for starters. An ultrasound evaluation performed prior to this time may be limited because structures may still be too small to accurately evaluate. The ultrasound examination is usually performed at about 20 weeks gestational age. It is a much more in-depth evaluation of the fetus than a standard or Level 1 ultrasound. This particular ultrasound is typically done in the second trimester, ideally between 18 and. A Level 2 ultrasound is a comprehensive, detailed evaluation of fetal anatomy and development. Ultrasounds can be done throughout the course of pregnancy. ![]()
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