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Iranian Journal of Public Health، جلد ۴۴، شماره ۶، صفحات ۷۹۱-۷۹۶
عنوان فارسی
چکیده فارسی مقاله
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عنوان انگلیسی Screening of Fetal Chromosome Aneuploidies in the First and Second Trimester of 125,170 Iranian Pregnant Women
چکیده انگلیسی مقاله Background : Aneuploidy is one of the main causes of congenital anomalies, mental and physical disabilities, in new-borns. The aim of this study was to determine various chromosomal aneuploidies in the first and second trimester screening of pregnant women, in Iran. Methods : A descriptive retrospective study was conducted on 125,170 pregnant women referred to a major referral medical diagnostic laboratory (Niloo Laboratory, Tehran) for prenatal screening tests (2010-2013). Patients were di-vided into 3 groups: first trimester screening (FTS), second trimester screening (STS), and combined screening groups. In positive and borderline cases, and amniocentesis and cytogenetic analysis were carried out. Results : Total prevalence of aneuploidy in 125,170 pregnant women was one in 491, (Detection Rate=82.7% for Down syndrome). The DR for DS in three groups was as follow: 87.5% for FTS (25783 women), 80.9% for STS (91345 women), and 94.7% for combined tests (8042 women). Total number of cases with Edward's syndrome was 18, Patau's syndrome six, Klinefelter syndrome six, triploidy three, and Cri-du-chat syndrome one. Conclusion : The present study shows the frequency of aneuploidy in the first and second trimester screenings in a major medical laboratory in Tehran. The prevalence of aneuploidies grows with increased maternal age. The rate of aneuploidy in first trimester is higher than second.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله الهام سید کاوسی | elham seyyed kavoosi
tehran genetic clinic, 22 keshavaraz blvd., tehran, iran.


سارنگ یونسی | sarang younessi
niloo laboratory, valiasr street, tehran, iran.


داریوش d فرهود | dariush d farhud
tehran genetic clinic, 22 keshavaraz blvd., tehran, iran and school of public health, tehran university of medical sciences, tehran, iran and dept. of basic sciences, iranian academy of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)

نشانی اینترنتی http://ijph.tums.ac.ir/index.php/ijph/article/view/3299
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article(s)
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