EN
TR
Genetic Insights from Chromosomal Microarray Analysis: The Predictive Role of Ultrasonography in High-Risk Pregnancies
Abstract
Aim: This study aimed to investigate the predictive value of prenatal ultrasonography (USG) findings in detecting chromosomal abnormalities identified through chromosomal microarray analysis (CMA) in high-risk pregnancies.
Material and Methods: A retrospective analysis was conducted on 122 singleton high-risk pregnancies undergoing CMA between 2021 and 2022. High-risk status was based on advanced maternal age, abnormal screening results, USG anomalies, or relevant family history. A scoring system was applied to USG findings, assigning one point for each fetal system with an anomaly. CMA was performed as a first-tier test via amniocentesis. Maternal demographics, USG scores, CMA results, and pregnancy outcomes were recorded and analyzed.
Results: Abnormal CMA results were detected in 34 (27.9%) cases. Maternal age was significantly higher in the abnormal CMA group (median 32 years vs. 29 years, p=0.030). Among pregnancies with abnormal CMA results, the rates of continuation and termination were equal at 44.1% (n=15). USG anomalies were significantly more prevalent in patients with abnormal CMA results, particularly in the abdominal (OR=2.84, 95% CI=1.01-7.96, p=0.041) and skin (OR=5.85, 95% CI=1.63-21.03, p=0.006) systems. Higher USG scores were significantly associated with abnormal CMA results (p<0.001). The most common chromosomal abnormalities were deletions (n=20, 58.8%) and duplications (n=10, 29.4%).
Conclusion: USG findings, especially system-specific anomalies and elevated USG scores, are significantly associated with abnormal CMA results. Advanced maternal age is also a predictive factor. Integrating USG scoring with CMA may enhance the diagnostic value in prenatal genetic assessment. Multicenter prospective studies are needed to validate these findings and improve clinical application.
Keywords
References
- American College of Obstetricians and Gynecologists. Practice Bulletin No. 162: Prenatal diagnostic testing for genetic disorders. Obstet Gynecol. 2016;127(5):e108-22.
- Armengol L, Nevado J, Serra-Juhé C, Plaja A, Mediano C, García-Santiago FA, et al. Clinical utility of chromosomal microarray analysis in invasive prenatal diagnosis. Hum Genet. 2012;131(3):513-23.
- Fiorentino F, Napoletano S, Caiazzo F, Sessa M, Bono S, Spizzichino L, et al. Chromosomal microarray analysis as a first-line test in pregnancies with a priori low risk for the detection of submicroscopic chromosomal abnormalities. Eur J Hum Genet. 2013;21(7):725-30.
- Hammond J, Klapwijk JE, Riedijk S, Lou S, Ormond KE, Vogel I, et al. Assessing women's preferences towards tests that may reveal uncertain results from prenatal genomic testing: Development of attributes for a discrete choice experiment, using a mixed-methods design. PLoS One. 2022;17(1):e0261898.
- Hsiao CH, Chen JS, Shiao YM, Chen YJ, Chen CH, Chu WC, et al. Prenatal diagnosis using chromosomal microarray analysis in high-risk pregnancies. J Clin Med. 2022;11(13):3624.
- Tzela P, Antonakopoulos N, Anastasopoulos P, Gourounti K. Karyotyping and chromosomal microarray analysis in women requesting amniocentesis for isolated sonographic soft markers or advanced maternal age. Acta Inform Med. 2021;29(4):288-92.
- Liu X, Liu S, Wang H, Hu T. Potentials and challenges of chromosomal microarray analysis in prenatal diagnosis. Front Genet. 2022;13:938183.
- Cai M, Lin N, Chen X, Fu M, Guo N, Xu L, et al. Evaluation of chromosomal abnormalities and copy number variations in fetuses with ultrasonic soft markers. BMC Med Genomics. 2021;14(1):19.
Details
Primary Language
English
Subjects
Obstetrics and Gynaecology
Journal Section
Research Article
Early Pub Date
October 1, 2025
Publication Date
December 25, 2025
Submission Date
February 4, 2025
Acceptance Date
September 3, 2025
Published in Issue
Year 2025 Volume: 27 Number: 3
APA
Kurtay, S., & Taşın, C. (2025). Genetic Insights from Chromosomal Microarray Analysis: The Predictive Role of Ultrasonography in High-Risk Pregnancies. Duzce Medical Journal, 27(3), 248-252. https://doi.org/10.18678/dtfd.1632081
AMA
1.Kurtay S, Taşın C. Genetic Insights from Chromosomal Microarray Analysis: The Predictive Role of Ultrasonography in High-Risk Pregnancies. Duzce Med J. 2025;27(3):248-252. doi:10.18678/dtfd.1632081
Chicago
Kurtay, Sabri, and Cuma Taşın. 2025. “Genetic Insights from Chromosomal Microarray Analysis: The Predictive Role of Ultrasonography in High-Risk Pregnancies”. Duzce Medical Journal 27 (3): 248-52. https://doi.org/10.18678/dtfd.1632081.
EndNote
Kurtay S, Taşın C (December 1, 2025) Genetic Insights from Chromosomal Microarray Analysis: The Predictive Role of Ultrasonography in High-Risk Pregnancies. Duzce Medical Journal 27 3 248–252.
IEEE
[1]S. Kurtay and C. Taşın, “Genetic Insights from Chromosomal Microarray Analysis: The Predictive Role of Ultrasonography in High-Risk Pregnancies”, Duzce Med J, vol. 27, no. 3, pp. 248–252, Dec. 2025, doi: 10.18678/dtfd.1632081.
ISNAD
Kurtay, Sabri - Taşın, Cuma. “Genetic Insights from Chromosomal Microarray Analysis: The Predictive Role of Ultrasonography in High-Risk Pregnancies”. Duzce Medical Journal 27/3 (December 1, 2025): 248-252. https://doi.org/10.18678/dtfd.1632081.
JAMA
1.Kurtay S, Taşın C. Genetic Insights from Chromosomal Microarray Analysis: The Predictive Role of Ultrasonography in High-Risk Pregnancies. Duzce Med J. 2025;27:248–252.
MLA
Kurtay, Sabri, and Cuma Taşın. “Genetic Insights from Chromosomal Microarray Analysis: The Predictive Role of Ultrasonography in High-Risk Pregnancies”. Duzce Medical Journal, vol. 27, no. 3, Dec. 2025, pp. 248-52, doi:10.18678/dtfd.1632081.
Vancouver
1.Sabri Kurtay, Cuma Taşın. Genetic Insights from Chromosomal Microarray Analysis: The Predictive Role of Ultrasonography in High-Risk Pregnancies. Duzce Med J. 2025 Dec. 1;27(3):248-52. doi:10.18678/dtfd.1632081
