All of the studies followed a sample of 703 African-American, Hispanic and white women between the ages of 16 -33 years-old from 2001 through 2004 who chose their own contraception method.
所有的研究都取样于自2001年到2004年间自主选择避孕法的703位处于16 - 33岁年龄段非裔美国女性，西班牙女性，白种女性。
Hispanic-American Studies is emerging as one of the most significant ethnic disciplines in American academic world, because of the growing size of the Hispanic population in this country.
拉美裔研究作为美国学术界最重要的民族学科之一正在兴起，这是由于西班牙裔人口在本国的增长。
Hispanic-American Studies is emerging as one of the most significant ethnic disciplines in American academic world, because of the growing size of the Hispanic population in this country.
拉美裔研究作为美国学术界最重要的民族学科之一正在兴起，这是由于西班牙裔人口在本国的增长。
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