Factor structure, internal consistency and distribution of Female Sexual Function Index among Mexican women with early diagnostic of breast cancer

Background: Female Sexual Dysfunction (FSD) occurs frequently in women with breast cancer due to oncologic treatments. It is essential have a validated instrument diagnose and quantify FSD this population accurately. Objective: To validate the Function Index (FSFI). Method: The FSFI was applied 272 sexually active Mexican recent diagnosis of who had not initiated systemic treatment. Results: six-factor model valid by confirmatory factor analysis, inventory its factors adequate internal consistency reliability. Conclusions: This study provides enough evidence about reliability structure questionnaire context clinical practice Mexico.