Trends in the risks of childbearing and in the mortalities of infants during the last 30 years.
D001699:Biometry; D005260:Female; D006801:Humans; D007223:Infant; D009035:Mothers / Q000706:statistics & numerical data*; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000706:statistics & numerical data*; D012306:Risk; D050497:Stillbirth; D014798:Vital Statistics
MATERNITY/statistics; STILLBIRTH/statistics; VITAL STATISTICS