No abstract available
MeSH terms
-
Adolescent
-
Adult
-
Birth Weight
-
Emigration and Immigration
-
England / epidemiology
-
Female
-
Humans
-
Infant Mortality*
-
Infant, Newborn
-
Male
-
Maternal Age
-
Parity
-
Pregnancy
-
Pregnancy Outcome / epidemiology*
-
Socioeconomic Factors
-
Wales / epidemiology