1. Obesity: preventing and managing the global epidemic. WHO Technical Report Series Number 894. 2000, World Health Organisation, Geneva
2. Callaway LK, Prins JB, Chang AM, McIntyre HD: The prevalence and impact of overweight and obesity in an Australian obstetric population. MJA. 2006, 184: 56-59.
3. Dodd JM, Grivell RM, Nguyen A-M, Chan A, Robinson JS: Maternal and perinatal health outcomes by body mass index category. ANZJOG. 2011, 51: 136-140.
4. NICE Guidelines: Weight management before, during and after pregnancy. [], [ http://www.nice.org.uk/guidance/ph27/resources/guidance-weight-management-before-during-and-after-pregnancy-pdf ]
5. ACOG Committee opinion number 315, september 2005: obesity in pregnancy. Obstet Gynecol. 2005, 106: 671-675. 10.1097/00006250-200509000-00054.