Fetal Nasal Bone - 의학 (Medicine)

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====== Fetal Nasal Bone ======
 
/* 요기에 본문을 적으시와용 */
임신 2기에 코뼈의 길이가 짧은 태아는 다운증후군의 위험이 높으며, 또한 코뼈의 형성저하(hypoplasia)는 21번 삼염색체성(trisomy 21)을 예측하는 지표"라는 연구결과가 발표되었다.

다운증후군의 60-70%에서 보이지 않고 에드워드증후군의 반수에서, 파타우증후군의 30%에서 태아의 코뼈가 보이지 않는 것으로 알려져 있다.
=====길이=====

====16주====
===Population Caucasian (Odibo et al.)	===
The median nasal bone length at 16 weeks is 4.1 mm. Your value is 0.98 multiples of the median (MoM) for this population.	
===population   Caucasian and African American(Sonek et. al.)	===
The median nasal bone length at 16 weeks is 4.7 mm. 5th percentile is 3.4 mm .
Your nasal bone measurement, 4 mm, is greater than the 5th percentile and 0.85 multiples of the median (MoM) for this population.	
===population   Chinese (Chiu et al.)	===
The median nasal bone length at 16 weeks is 3.8 mm. 5th percentile is 3.16 mm .
Your nasal bone measurement, 4 mm, is greater than the 5th percentile and 1.05 multiples of the median (MoM) for this population.	
===population   Indian (Narayani et al.)	===
The median nasal bone length at 16 weeks is 3.3 mm. 5th percentile is 2.375 mm .
Your nasal bone measurement, 4 mm, is greater than the 5th percentile and 1.21 multiples of the median (MoM) for this population.	
===population   Korean (Jung et al.)	===
The median nasal bone length at 16 weeks is 3 mm. 5th percentile is 2.4 mm .
Your nasal bone measurement, 4 mm, is greater than the 5th percentile and 1.33 multiples of the median (MoM) for this population.	
===population   South American (Bunduki et al.)	===
The median nasal bone length at 16 weeks is 5.9 mm. 5th percentile is 4.1 mm .
Your nasal bone measurement, 4 mm, is less than the 5th percentile and 0.68 multiples of the median (MoM) for this population.	
===population   Turkish (Yanik et al.)	===
The median nasal bone length at 16 weeks is 3.8 mm. 5th percentile is 3.11 mm .
Your nasal bone measurement, 4 mm, is greater than the 5th percentile and 1.05 multiples of the median (MoM) for this population.

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