Sharon Camp of the Guttmacher Institute says liberalisation does not increase the rate of abortions.
古特马赫研究院的沙龙·坎普（Sharon Camp）表示，放松限制不会增加堕胎数量。
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The abortion rate in America is at its lowest level for 30 years, according to a new study by the Guttmacher Institute, a reproductive-health research group.
生殖健康研究所古特马赫新出的一份研究显示，如今美国的人工流产率已经降到了其30年来的最低。
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The Guttmacher Institute, a leading authority on reproductive health, says a rise in unintended pregnancies would result in some 400,000 more abortions a year.