for Down syndrome
First Trimester Screen | Fß with Fetal Nasal Bone Assessment
Provides a 95% detection rate at a 2% false positive rate for Down syndrome
Research shows that the fetal nasal bone is absent in approximately 70% of all Down syndrome cases. With the Fetal Nasal Bone Assessment option added to the First Trimester Screen | Fβ protocol, physicians can raise the detection rate for Down syndrome to 95% and virtually eliminate the need to screen for Down syndrome beyond the first trimester.
Fetal Nasal Bone Assessment is a non-invasive procedure that helps provide even greater assurance to patients undergoing their first trimester risk assessment for Down syndrome. It is performed during the patient's NT ultrasound examination so there are no additional patient visits required as a result of electing this option. Physicians and sonographers must be credentialed in fetal nasal bone assessment to select this option. In part, this credentialing can be achieved by attending a one day seminar, which may also qualify for CME credits.
The benefits of Fetal Nasal Bone Assessment:
- Raises the Down syndrome detection rate to 95% while maintaining all of the screening in the first trimester
- Offers a 2% false positive rate vs. a 5% false positive rate