Pregnancy wastage and age of mother among the Amish.
D000022:Abortion, Spontaneous / Q000453:epidemiology*; D000293:Adolescent; D000328:Adult; D000368:Aged; D001722:Birth Order; D001723:Birth Rate; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D009820:Ohio; D011247:Pregnancy; D014481:United States