background: low birth weight (lbw) is one of the major determinants of neonatal survival as well as postnatal morbidity. objective: the main objective of the present study was to determine neonatal mortality rate (nmr) in lbw infants in yazd, iran. materials and methods: in a prospective-cohort study, all births in the maternity hospitals of yazd, iran in 2004 were evaluated and mortality rate ...

background prematurity is an issue related to increasing the neonatal morbidity and mortality and smoking pregnant women cause the risk of low birth weight and prematurity increase, compared to non-smoking ones. results of all 205 women, 43 (20.97%) women exposed to shs during pregnancy and 162 (79.02%) women did not. in shs exposure group, 11 infant (25.6%) and in non- shs exposure group, 17 i...

OBJECTIVE Asians have a reduced risk for cerebral palsy (CP) compared with whites. We examined whether individual Asian subgroups have a reduced risk of CP and whether differences in sociodemographic factors explain disparities in CP prevalence. METHODS In a retrospective cohort of 629 542 Asian and 2 109 550 white births in California from 1991 to 2001, we identified all children who qualifi...

The primary aim of this study was to investigate whether women born prematurely or with impaired fetal growth have a reduced probability of giving birth. Using Swedish population-based registries, the authors identified 148,281 women born in 1973-1975 for follow-up until 2001. Of these women, 4.1% were born preterm and 0.32% very preterm, 0.29% were born with a very low birth weight, and 5.4% w...

OBJECTIVES To assess the contribution of children with different birth weights to special educational needs within a single health district, and to determine whether this pattern changed over the time when the survival of very low birthweight (VLBW) infants was increasing. SETTING An inner London health district. STUDY DESIGN A cohort of children born to local parents between January 1974 a...

Hepatoblastomas among children with very low birth weights have significantly increased recently, according to the data from the Japan Children's Cancer Registry for the years 1985-1993. We then analyzed more Registry data for 1969-1994 to clarify the possible relationship between low birth weight and hepatoblastoma. The percentage of low birth weights was compared between 543 hepatoblastoma ch...

Epidemiologic and clinical studies of pregnancy outcome often consider a variety of related, overlapping outcome measures. The overlap among these measures was analyzed using data from the Mount Sinai Hospital Perinatal Data Base, New York City, New York. A total of 52,621 births from 1986 through 1996 were included, with information on gender, ethnicity, birth weight, and gestational age assig...