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E-ISSN : 2148-9696
Crescent Journal of
Medical and Biological Sciences
Jan 2020, Vol 7, Issue 1
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Brief Report
Association Study of Recurrent Abortion With Chromosomal Abnormalities and Mutation of Prothrombin Gene in 100 Affected Women in the Northwest of Iran
Seyed Ali Rahmani1, Reihaneh Amiri2, Parisa Mosapour3
1Department of Medical Genetics,Tabriz University of Medical Sciences, Tabriz, Iran
2Department of Molecular Genetics, Science and Research Branch, Islamic Azad University, Tabriz, Iran
3Department of Obstetrics and Gynaecology, Tabriz University of Medical Sciences, Tabriz, Iran

CJMB 2020; 7: 134–137

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Keywords : Chromosomal anomalies, Recurrent miscarriage, Prothrombin gene
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Objectives: Recurrent miscarriage is defned as two or more abortions happening consecutively within less than the twenty weeks of gestation or when the fetus’s weight is below 500 g. Numerous factors are involved in recurrent miscarriages, the most important of which are chromosomal abnormalities and females’ genetic clotting condition, thrombophilia, including
Factor II, prothrombin, and mutation. The present study aimed at investigating the relationship between the couples’ chromosomal abnormalities and prothrombin mutation in women with recurrent miscarriages in the northwest of Iran.

Materials and Methods: In the present applied research, 100 couples referring for recurrent miscarriages were subjected to cytogenetic experiments via using the GTG banding. Deep vein thrombosis tests were also conducted on the women based on the restriction fragment length polymorphism-polymerase chain reaction (RFLP-PCR) method.

Results: Ten out of 100 studied couples were diagnosed with chromosomal abnormalities. All these abnormalities were of structural type. Out of 100 women subjected to clotting factor II, only one heterozygous case was found while the remaining cases were healthy. The control group subjects (n=100) were also found healthy. No signifcant difference was evidenced between the control and patient groups.

Conclusions: Based on the results, 5% of the studied cases had structural chromosome abnormalities and this was in compliance with the results obtained in the prior research. As regards the prothrombin mutation, only one out of one hundred studied women was heterozygous whereas the remaining subjects were healthy; this is consistent with the results obtained in previous studies.


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