Background: Since 1990. Vital Statistics reports show a dramatic decline in the total fertility rates (TFRs) of American Indian and Alaska Native (AI/AN) women in the United States. Objective: We study whether the decrease in TFRs is due to a real change in fertility for a stable population; a compositional change in who identifies as AI/AN; or a methodological issue stemming from dif... https://crowssportes.shop/product-category/starter-kit/