About the Authors

Maria Regina Torloni

ginecologia@terra.com.br

Affiliation Department of Obstetrics, Sao Paulo Federal University and Brazilian Cochrane Centre, Sao Paulo, Brazil

Ana Pilar Betran

Affiliation Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland

Joao Paulo Souza

Affiliation Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland

Mariana Widmer

Affiliation Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland

Tomas Allen

Affiliation Department of Knowledge Management and Sharing, World Health Organization, Geneva, Switzerland

Metin Gulmezoglu

Affiliation Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland

Mario Merialdi

Affiliation Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland

Competing Interests

Academic conflict of interest: Five authors of the present study have published a study on CS in Latin America using one of the classifications evaluated in the present systematic review. Betran AP, Gulmezoglu AM, Robson M, Merialdi M, Souza JP et al. (2009) WHO global survey on maternal and perinatal health in Latin America: classifying caesarean sections. Reprod Health 6: 18.

Author Contributions

Conceived and designed the experiments: MRT APB JPS MW MG MM. Performed the experiments: MRT APB. Analyzed the data: MRT APB JPS MW TJA MG MM. Contributed reagents/materials/analysis tools: TJA. Wrote the paper: MRT APB JPS MW TJA MG MM.