objectIve. To evaluate the risk factors related to occurrence of female urinary incontinence. Methods. This was a case-control study recruiting 253 women (102 continent and 151 incontinent) who were invited to respond to an epidemiological questionnaire on possible risk factors for urinary incontinence. The factors analyzed were age, hormone status, race, body mass index, parity, types of delivery (normal, forceps or caesarean), weight of largest child at birth, use of episiotomy and/or analgesia during labor, history of hysterectomy, physical activity, smoking, diabetes mellitus status, constipation, history of bronchial asthma and/or chronic obstructive pulmonary disease, use of diuretics and/or antidepressants. conclusIon. Independent risk factors for urinary incontinence included age, vaginal delivery, forceps delivery and birth weight of largest infant, while delivery by caesarean section was a protective factor.