The proposal of the study was to verify leucocituria frequency in carriers of gynecological cancer in chemotherapy (CT) and to identify practices in urine collection for exam. Descriptive transversal study carried out with ginecologyc cancer patients during chemotherapy sections. With semi-structured interview, it was identified urine collection technique and verified the results of exams accomplished before chemotherapy sections. Among 30 interviews, 80% related to collect urine correctly, 100% presented at last a mistake during the process. Leucocituria frequency was 30 episodes. The mistakes occurred mostly in genital cleaning and collection of the urinary jet. It infers that the erroneous form in the collection in addition to the neutropenia can be responsible for the leucocituria.