article_snippet: Intrusive recollection of a past traumatic event, including child birth .
article_snippet: Flashbacks or nightmares .
article_snippet: Avoidance of stimuli associated with the event, including thoughts, feelings, people, places and details of the event .
article_snippet: Persistent increased arousal, including irritability, difficulty sleeping, hypervigilance and exaggerated startle response .
article_snippet: Anxiety and panic attacks .
article_snippet: Feeling a sense of unreality and detachment .