Contribution of the First Trimester Ultrasound Screening in the Diagnosis of Aneuploidies

Introduction: First trimester ultrasound has an important place in the early diagnosis of many fetal malformations and chromosomal abnormalities. Purpose: Highlight the performance and the contribution of ultrasonography in diagnosis of fetal malformations. Methods: Prospective study over a period of a year, it covers all customers between 11 and 14 weeks pregnant. Results: On 2550 scans made during this period there were 343 ultrasounds for first trimester or 13%. The average age was 32.7%. Among 343 validated nuchal translucency, 18 NT were pathological allowing the detection two cases of Trisomy 18 and a case…