Unplanned pregnancy in Brazil: national study in eight university hospitals.

Objective: To estimate the prevalence of unplanned pregnancy in eight public university hospitals, distributed in the five regions that make up Brazil.

Methods: A secondary analysis of a national multicenter cross-sectional study, carried out in eight public university hospitals between June 1 and August 31, 2020, in Brazil. Convenience sample including women who gave birth within sixty consecutive days and met the following criteria: over 18 years old; gestational age over 36 weeks at delivery; with a single and live newborn, without malformations.