Posttraumatic stress following childbirth: psychometric properties of the Brazilian version of the City Birth Trauma Scale.

Objective: To seek validity and reliability evidence of the Brazilian version of the City Birth Trauma Scale (BiTS-Br) and establish diagnostic accuracy.

Method: A total of 343 mothers (up to one year after childbirth, 30.8years old on average) completed the BiTs-Br and other instruments screening for posttraumatic stress disorder (PTSD), depression, and anxiety for convergent validity analysis.