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14
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1
Abstract Aim: Nasal bone length of fetuses (NBL) in second trimester by measuring during routine obstetric sonography examination to determine the range of normal value for Turk society. Method: A total of 16-22 week gestational aged 250 healthy fetuses nasal bone lenght was measured with transabdominal ultrasonography. Results: Measurement of nasal bone lenght of 16, 17, 18, 19, 20, 21 and 22 week gestational aged fetuses were calculated respectively as: 2.9–4.6 mm, 3.3–5.1 mm, 3.4–7.3 mm, 4.3–6.6 mm, 4.8–7.3 mm, 4.6–7.5 mm, 5.6–7.2 mm (average of 5,4 mm ± 0.87). Conclusion: Nasal bone lenght of 16-22 week gestational aged fetuses were calculated as 2.9-7.5 mm. It should be considered as normal in this range. Nasal bone lenght of second trimester fetuses under 2.9 mm should be evaluated for fetal anomalies. KeyWords: Nasal bone, Ultrasound, Down's syndrome
Abstract Aim: Nasal bone length of fetuses (NBL) in second trimester by measuring during routine obstetric sonography examination to determine the range of normal value for Turk society. Method: A total of 16-22 weeks gestational aged 250 healthy fetuses nasal bone length was measured with transabdominal ultrasonography. Results: Measurement of nasal bone length of 16, 17, 18, 19, 20, 21 and 22 week gestational aged fetuses were calculated respectively as: 2.9-4.6 mm, 3.3-5.1 mm, 3.4-7.3 mm, 4.3-6.6 mm, 4.8-7.3 mm, 4.6-7.5 mm, 5.6-7.2 mm (average of 5.4 mm ± 0.87). Conclusion: Nasal bone length of 16-22 weeks gestational aged fetuses were calculated as 2.9-7.5 mm. It should be considered as normal in this range. Nasal bone length of second trimester fetuses under 2. 9 mm should be evaluated for fetal anomalies. Keywords: Nasal bone, Ultrasound, Down's syndrome
Alan : Sağlık Bilimleri
Dergi Türü : Uluslararası
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