RCOG - Royal College of Obstetricians and Gynaecologists

SOGC - The Society of Obstetricians and Gynaecologists of Canada

RANZCOG - The Royal Australian and New Zealand College of Obstetricians and Gynaecologists

Cochrane pregnancy and childbirth group

Geneva foundation for medical education and research - obstertric, gynecology and reproductive medicine. Linee guida, reviews, raccomandazioni, standard

Department of Reproductive Health and Research (RHR), World Health Organization

Women's Health Program - The Agency for Healthcare Research and Quality (AHRQ)

IPPF - International planned parenthood federation

Golden Hour - Medical information center