establish a reference values for the fetal nasal bone length (NBL) in upper egyptian pregnant women at 11-13wk+6 days
By using ultrasound measure fetal nasal bone length at 11-13wk+6days in Upper Egyptian pregnant women in mid-sagittal view in single pregnancy
Study Type
OBSERVATIONAL
Enrollment
1
Ultrasound examination
Fetal nasal bone length nomogram
Establish nomogram for nasal bone length in Upper Egyptian pregnant women
Time frame: 2 years
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