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Copyright of Turkish Journal of Obstetrics & Gynecology is the property of Galenos Yayinevi Tic. LTD. STI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Ultrasonography has been a reliable diagnostic tool used for years in fetal anomaly screening. Along with technological improvements, the image quality of ultrasound devices has also increased. Four-dimensional (4D) ultrasound with real time imaging capability is the latest technological tool in this area. Today, its use in perinatologic screening of fetal anomalies is becoming widespread This situation has opened the debate on the diagnostic value of 4D ultrasound in fetal evaluation. 4D ultrasound when performed in experienced hands provides more detailed information on organ functions, fetal anomalies, and understanding of movement and behavioral characteristics. In contrast, conventional 2D ultrasound maintains an indispensable position in the evaluation of fetuses. In the literature, the superiority of 4D to 2D has not been shown. However, diagnostic accuracy is expected to increase when the techniques are used together. A general evaluation was made in our article and the significance of the two ultrasound technologies in detecting fetal anomalies were compared. [ABSTRACT FROM AUTHOR]