Public Health – Women’s education level, contraceptive use and maternal mortality estimates.

«Finally, it is important to remark that when official records of maternal deaths and live births are reliable and readily available, these should be preferred over indirect estimates of MMR.»  

E. Koch, B. Calhoun, P. Aracena, S. Gatica, M. Bravo

PUBLIC HEALTH 128(4):384-387

Abstract available here
Full-text available on request