GENETIC EPIDEMIOLOGY OF DOWN SYNDROME IN IRAN

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SHARIATI M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian South Medical Journal Year:2005 | Volume:7 | Issue:2 Page(s): 122-127

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Title

GENETIC EPIDEMIOLOGY OF DOWN SYNDROME IN IRAN

Author(s)

SHARIATI M. | Issue Writer Certificate

Keywords

DOWN SYNDROMEQ4

TRISOMY 21Q4

KARYOTYPEQ3

GENETIC EPIDEMIOLOGYQ4

Abstract

DOWN SYNDROME is the most common autosomal abnormality and occurs in approximately 1 per 700 live births. DOWN SYNDROME accounts for about one third of all moderate and sever mental handicaps in school-aged children. To reveal GENETIC EPIDEMIOLOGY of DOWN SYNDROME, 545 KARYOTYPEs of referred cases to the author were evaluated. The frequencies of three cytogenetic variants of DOWN SYNDROME were TRISOMY 21 (77.5%), mosaicism (18%) and chromosomal translocation (4.5%). Male to female ratio was 1.34. The mean age of their mothers and fathers were 29.03 years (median=27 years) and 34.6 years (median=33 years), respectively. Therefore, mean age of Iranian mothers with DOWN SYNDROME is six years less than those in the western countries.

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APA: Copy

SHARIATI, M.. (2005). GENETIC EPIDEMIOLOGY OF DOWN SYNDROME IN IRAN. IRANIAN SOUTH MEDICAL JOURNAL (ISMJ), 7(2), 122-127. SID. https://sid.ir/paper/33513/en

Vancouver: Copy

SHARIATI M.. GENETIC EPIDEMIOLOGY OF DOWN SYNDROME IN IRAN. IRANIAN SOUTH MEDICAL JOURNAL (ISMJ)[Internet]. 2005;7(2):122-127. Available from: https://sid.ir/paper/33513/en

IEEE: Copy

M. SHARIATI, “GENETIC EPIDEMIOLOGY OF DOWN SYNDROME IN IRAN,” IRANIAN SOUTH MEDICAL JOURNAL (ISMJ), vol. 7, no. 2, pp. 122–127, 2005, [Online]. Available: https://sid.ir/paper/33513/en

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