Reliability of fetal nasal bone length measurement at 11-14 weeks of gestation

• Main Authors: Suwanrath Chitkasaem (Author), Pruksanusak Ninlapa (Author), Kor-anantakul Ounjai (Author), Suntharasaj Thitima (Author), Hanprasertpong Tharangrut (Author), Pranpanus Savitree (Author)
• Format: Book
• Published: BMC, 2013-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Nasal bone assessment has been incorporated into Down syndrome screening in first trimester. Several studies have established the normal reference values for fetal nasal bone length in the first trimester, which were found to be vari...