Chromosomal study for Assessment of Recurrent Spontaneous Miscarriage by Fluorescence in situ Hybridization (FISH) technique in Erbil City Iraqi- Kurdistan Region

  • Kazhal M. Sulaiman

Abstract

Spontaneous miscarriage is the most frequent complication of pregnancy and, classically, defined as the occurrence of
at least two miscarriages before 20 weeks of gestation. Over 50 % of first trimester pregnancy losses are attributed to
chromosomal abnormalities. This study aimed to investigate aneuploidy in spontaneous miscarriage by fluorescence in situ
hybridization (FISH) using probes for 13, 18, 21, X and Y chromosomes. A total of 100 tissue samples from concepts materials
were collected and examined by FISH. The incidence and type of chromosomal abnormality and sex ratio were analyzed
for each samples. Moreover, the relationship between the rate of aneuploidy and maternal age also the relationship between
maternal age and type of aneuploidy and the difference in incidence of aneuploidy between samples from previous miscarriage
and those with no previous miscarriage were investigated. Results obtained from this study revealed that, 52 of 100 cases were
with aneuploidy. Trisomy 21, 18, and 13 was the major aneuploidy followed by monosomy X. Cases of miscarriages which
contain chromosomal abnormalities were higher in females than males. Cases with advanced maternal age and history of
previous miscarriage were significantly have higher aneuploidy rate compared with young age cases and those with no previous
miscarriage. However, rates of trisomies 18, 13, and 21 of the advanced maternal age group were remarkably higher than
those of the young maternal age group.
Keywords: Recurrent miscarriage, Aneuploidy, Florescence In Situ Hybridization, Maternal age, Sex Ratio.

Published
2018-10-27
How to Cite
SULAIMAN, Kazhal M.. Chromosomal study for Assessment of Recurrent Spontaneous Miscarriage by Fluorescence in situ Hybridization (FISH) technique in Erbil City Iraqi- Kurdistan Region. Iraqi Journal of Cancer and Medical Genetics, [S.l.], v. 10, n. 2, oct. 2018. ISSN 2078-6123. Available at: <http://ijcmg.uomustansiriyah.edu.iq/index.php/ijcmg/article/view/218>. Date accessed: 23 aug. 2019.
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