Regarding high-frequency ultrasound?
Hello, I am a pregnant woman undergoing prenatal check-ups in the province.
Recently, a friend of mine had a high-level ultrasound and discovered heart issues with her fetus, which led to an abortion.
I would like to know if it is necessary to pay out of pocket for a high-level ultrasound if all routine prenatal checks are normal.
Is it still possible to do this at seven and a half months?
YENFEN, 30~39 year old female. Ask Date: 2005/08/22
Dr. Li Guanghan reply Obstetrics and Gynecology
Hello: Fetal echocardiography is a specialized technique that not every obstetrician-gynecologist is trained in, nor is it necessary for all to possess this skill.
Based on my personal training in ultrasound at Taichung Veterans General Hospital, I perform fetal heart assessments using ultrasound during prenatal check-ups between 20 to 24 weeks, but I am only able to evaluate the basic four-chamber view.
However, literature indicates that a normal four-chamber view can rule out 80% of significant congenital heart defects.
If you wish to undergo a detailed fetal echocardiography, I recommend my mentor, Dr.
Sheng-Kai Lin at the Lin Sheng-Kai Obstetrics and Gynecology Clinic in Taichung, and Dr.
Chen-Chih Tseng at the Maternal and Child Health Department of Taichung Veterans General Hospital.
Dr.
Kwang-Han Lee from Hsinchu Municipal Hospital, Department of Obstetrics and Gynecology.
Reply Date: 2005/08/22
More Info
High-level ultrasound, also known as detailed or advanced ultrasound, plays a crucial role in prenatal care, particularly for identifying potential fetal abnormalities. While routine ultrasounds are standard during pregnancy, high-level ultrasounds are more specialized and are typically recommended under certain circumstances.
When is High-Level Ultrasound Recommended?
High-level ultrasounds are generally advised around 20 to 24 weeks of gestation. This timing is optimal because the fetus is developed enough for detailed anatomical assessment, yet not too large that it becomes difficult to visualize certain structures. The primary goal of this ultrasound is to evaluate the fetus for any structural anomalies, including but not limited to:
1. Congenital Heart Defects: As you mentioned, your friend discovered a heart issue during a high-level ultrasound. Congenital heart defects are among the most common types of birth defects, and early detection can be crucial for planning postnatal care.
2. Neural Tube Defects: These include conditions like spina bifida and anencephaly, which can be detected through detailed imaging of the fetal spine and brain.
3. Other Structural Anomalies: This includes assessing the brain, face, limbs, and internal organs for any abnormalities.
Is High-Level Ultrasound Necessary for Healthy Pregnancies?
For healthy pregnancies where routine ultrasounds show no concerns, the necessity of a high-level ultrasound can be subjective. If your routine ultrasounds have been normal and there are no risk factors (such as advanced maternal age, family history of genetic disorders, or previous pregnancy complications), you may not need to undergo a high-level ultrasound. However, it is essential to consider the following:
- Peace of Mind: Some parents opt for high-level ultrasounds for reassurance, especially if there are any lingering concerns or anxiety about potential issues.
- Risk Factors: If you have any risk factors or a family history of congenital anomalies, a high-level ultrasound may be more strongly recommended.
- Late Pregnancy: At 7.5 months (approximately 30 weeks), while it is still possible to perform a high-level ultrasound, the focus may shift more toward monitoring fetal growth and well-being rather than detailed anatomical assessment. The fetus is larger, and certain structures may be harder to visualize clearly.
Cost Considerations
High-level ultrasounds are often not covered by insurance unless there is a medical indication. If you are considering this option, it is essential to discuss with your healthcare provider whether the benefits outweigh the costs in your specific situation.
Conclusion
In summary, while high-level ultrasounds can provide valuable information, their necessity largely depends on individual circumstances. If your routine ultrasounds have been normal and you have no risk factors, you may choose to forgo the additional expense. However, if you have any concerns or if your healthcare provider recommends it, it may be worth considering for peace of mind. Always consult with your healthcare provider to make an informed decision that aligns with your specific health needs and pregnancy circumstances.
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