Nursing / Multivariate Analysis / Prospective studies / Pregnancy / Humans / Burkina Faso / Female / Male / Regression Analysis / Cohort Study / Data Collection / Risk factors / Newborn Infant / Adult / Public health systems and services research / Pregnant Women / Neonatal Mortality / Sub Saharan Africa / Risk Factors / Perinatal mortality / South West / Generalized estimating equation / Burkina Faso / Female / Male / Regression Analysis / Cohort Study / Data Collection / Risk factors / Newborn Infant / Adult / Public health systems and services research / Pregnant Women / Neonatal Mortality / Sub Saharan Africa / Risk Factors / Perinatal mortality / South West / Generalized estimating equation