Risk factors for developing post-traumatic stress disorder following childbirth: a systematic review.

Background: Approximately 1-2% of women suffer from post-traumatic stress disorder (PTSD) postnatally. This review aims to elucidate how women at risk can be identified.

Methods: A systematic search of the published literature was carried out using the MEDLINE database (November 2003 to 29 October 2010) with both MeSH terms and free text.