Yes, some fibroids can turn into malignant tumors, but it is very rare, as only 0.5% do. These tumors are called leiomyosarcomas.
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Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).