No abstract available
Publication types
-
Research Support, Non-U.S. Gov't
MeSH terms
-
Age Distribution
-
England / epidemiology
-
Female
-
Humans
-
Marital Status / statistics & numerical data
-
Maternal Age
-
Ovulation Induction / statistics & numerical data*
-
Ovulation Induction / trends
-
Population Surveillance
-
Pregnancy
-
Pregnancy, Multiple / statistics & numerical data*
-
Reproductive Techniques / statistics & numerical data*
-
Reproductive Techniques / trends
-
Wales / epidemiology