Radiomic analysis of radiological images allows the extraction of quantitative features that can represent a support tool for clinical decision. The investigation of these features stability during the MR image acquisition process represents the aim of this study. The features short- and long-term repeatability was tested on a common MR phantom, imaged with the clinical protocol for gynecological imaging. The non-repeatable features were identified and can be excluded a priori in potential clinical studies. Simultaneously, a dedicated phantom was designed to mimic the pelvis and to investigate the stable features, especially the ones characterizing the texture of the imaged tissue.