File:U.S. Abortion Rates, 1973-2017, Guttmacher Institute.png
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Jones, Rachel K.; Witwer, Elizabeth; Jerman, Jenna (September 2019) "Abortion Incidence and Service Availability in the United States, 2017". New York: Guttmacher Institute. doi: https://doi.org/10.1363/2019.30760