BACKGROUND Preterm birth (PTB) is responsible for 70% of neonatal mortalities. Various factors influence the risk of neonatal mortality in different populations. OBJECTIVE Our objective was to evaluate neonatal survival rate of preterm infants, and to define its predictors in Iranian population. MATERIALS AND METHODS This retrospective cohort study included all preterm (26-37 weeks) infants...

Background: Neonatal health appears not to have received the deserved attention in the context of the Child Survival Strategies and this must have contributed to the non-attainment of the MDG-4 in Nigeria. Neonatal mortality contributes 40% or more to the current rate of child deaths globally, with birth asphyxia, prematurity and its complications and severe infections as the leading causes. Th...

OBJECTIVES To explore the use of local civil registration data to assess the perinatal mortality in a typical rural county in a less developed province in China, 1999-2000. DESIGN Retrospective cohort study. Pregnancies in a cohort of women followed from registration of pregnancy to outcome of infant seven days after birth. SETTING Routine family planning records in 20 rural townships in ea...

background & purpose: air pollution has been known as one of the most effective factors on cardiovascular, pulmonary and infectious diseases. this study aims to determine the relation between mortality rate and air pollution in mashhad during 2007-2009. materials & methods: data of air pollution, mortality rate and geographic factors were collected during 2007-2009 and analyzed. mortality rate,...

OBJECTIVE To describe trends in cause specific stillbirth and neonatal mortality. DESIGN Retrospective cohort study. SETTING AND PARTICIPANTS 686,860 births in 1982-2000, to mothers resident in the Northern Region of England. MAIN OUTCOME MEASURES Cause specific stillbirth and neonatal mortality; rate ratios (RR) and 95% confidence intervals (CI) in 1991-2000 compared with 1982-1990. RE...