Advances in the pharmacological management of obsessive-compulsive disorder in the postpartum period.

: Obsessive-compulsive disorder (OCD) is a psychiatric disorder characterized by obsessions and compulsions. Obsessions are defined as intrusive, recurrent and distressing thoughts, images or impulses, whereas compulsions are defined as repetitive behaviors or mental acts. While there is an associated distress, and indeed oftentimes, the individual's awareness that these behaviors are excessive and unreasonable, the individual continues to be disabled by an inability to cease their compulsions.