Piloting the Perinatal Obsessive-Compulsive Scale (POCS): Development and validation

► Perinatal obsessive-compulsive disorder is unique in its content, context and severity. ► Pilot study on a new scale assessing perinatal obsessions and compulsions. ► Development and validation of the Perinatal Obsessive-Compulsive Scale (POCS). ► The POCS is specific, sensitive with good discriminant capacity and construct validity. ► The POCS helps detect perinatal obsessive-compulsive disorder.