Objective: To relate the desire to donate breastmilk to sociodemographic, clinical, and obstetric aspects. Materials and methods Cross-sectional and analytical study with quantitative approach, conducted with 226 women during the immediate postpartum period at a referral hospital in the interior of Piauí (Brazil) from December 2016 to June 2018. For analytical statistics, the Kolmogorov-Smirnov, Pearson's Chi-s...