Diagnosis of Aneuploidies by amniocentesis in high risk cases of first trimester screening test

Hasanzadeh, Robab and Naghizadeh, Somayeh and Azari, Sahar and Ebrahimpour Mirza Rezaei, Mehdi (2014) Diagnosis of Aneuploidies by amniocentesis in high risk cases of first trimester screening test. The Iranian Journal of Obstetrics, Gynecology and Infertility, 17 (119). pp. 18-26.

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Abstract

Introduction: Early diagnosis of congenital abnormalities at early of pregnancy and termination of these pregnancies can prevent from birth of defective newborns that are overload for family and society. This study was performed with the aim to diagnose aneuploidies by amniocentesis in high risk cases identified by first trimester screening test. Methods: This descriptive-analytic (cross-sectional) study was performed on 121 pregnant women that their result of Down syndrome and other Aneuploidy screening were high risk at first trimester of pregnancy (11 to 13 weeks and 6 days) and were referred to fetus medicine section of Tabriz Alzahra hospital to perform amniocentesis (15-20 weeks) in 2013. A questionnaire was used for data collection which includes demographic characteristics of the subjects, data obtained by the results of first trimester screening tests, and data obtained by amniocentesis (the results of fetus karyotype). Data was analyzed using SPSS software (version 13) and coefficient tests, T-Test, and ANOVA. P≤0.05 was considered significant. Results: Aneuploidy was detected in 11 newborns that 5 Down syndrome, 3 cases of trisomy 18, and 1 Klinefelter's syndrome were identified. There were significant relationship between risk of Down syndrome and amniocentesis results (P= 0.0001) and between increasing NT thickness and amniocentesis results (P= 0.04). There was no significant relationship between demographic characteristics of the subjects and results of first trimester screening (P>0.05). There were significant relationship between age (P= 0.03), number of delivery (P= 0.047), number of alive children (P= 0.036) and history of anomaly in previous child (P= 0.001) and amniocentesis results. Conclusion: In the present study, 10 of high risk cases identified by first trimester screening test were diagnosed as aneuploidy by amniocentesis.

Item Type: Article
Subjects: WP Gynecology
WQ Obstetrics
Divisions: Journals > Iranian J Obstetrics, Gynecology and Infertility
Depositing User: ijogi ijogi
Date Deposited: 25 Sep 2017 16:08
Last Modified: 25 Sep 2017 16:08
URI: http://eprints.mums.ac.ir/id/eprint/4137

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