First pregnancies to women aged 15-19: 1976 and 1971.
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Biomedical subjects
Publications and source records attributed to J F Kantner.
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About 780,000 teenagers experience a premarital pregnancy each year. If they weren't using contraception, an additional 680,000 would become pregnant--a total of 1,460,000. However, if all who did not want a baby were practicing contraception consistently, we could reduce the number of pregnancies by at least 313,000. Only 467,000 would become pregnant, and half of these pregnancies would be wanted.
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The prevalence of sexual activity among never-married U.S. teenage women increased by 30 percent between 1971 and 1976; so that by age 19, 55 percent have had sexual intercourse. The increase, which has occurred at all ages and among all races, has been accompanied by a dramatic increase in the use of contraception, the use of the most effective methods, and the more regular use of all methods. Nevertheless, few teenagers begin use of contraception at the same time that they initiate intercourse--and many wait until after they have experienced pregnancy.