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Wednesday, July 25, 2018

More evidence that abortion restrictions decrease abortion rates.

As a follow up to our previous post (Pro-life laws stop abortions. Here's the evidence.) here in chronological order are more studies suggesting that abortion restrictions do decrease abortion—and not just legal abortion, but abortion in general. Note how many of the studies focus on how abortion policy affects birth rates rather than only the abortion rate itself.


"If all states observed the Hyde Amendment restrictions, many thousands of Medicaid-eligible women who would have obtained abortions under the 1977 funding policy would not receive them."
The impact of restricting Medicaid financing for abortion. Family Planning Perspectives, June 1980

"Analysis of statewide data from the three States indicated that following restrictions on State funding of abortions, the proportion of reported pregnancies resulting in births, rather than in abortions, increased in all three States."
Trends in rates of live births and abortions following state restrictions on public funding of abortion. Public Health Reports, December 1990

"Access variables, including the restrictiveness of state laws regulating abortion, state funding of abortions for poor women and the availability of hospital abortions, affect abortion rates directly."
The role of access in explaining state abortion rates, Social Science & Medicine, April 1997

"The incidence of abortion is found to be lower in states where access to providers is reduced and state policies are restrictive."
The effects of economic conditions and access to reproductive health services on state abortion rates and birthrates. Family Planning Perspectives, April 1997

"The decline in geographic access to abortion providers during the 1980s accounted for a small but significant portion of the rise in the percentage of women heading families."
State abortion policy, geographic access to abortion providers and changing family formation. Family Planning Perspectives. December 1998.

"States legalizing abortion experienced a 4% decline in fertility relative to states where the legal status of abortion was unchanged."
Roe v. Wade and American fertility, American Journal of Public Health, February 1999

"Our results indicate that much of the reduction in fertility at the time abortion was legalized was permanent in that women did not have more subsequent births as a result."
Abortion Legalization and Lifecycle Fertility, National Bureau of Economic Research, August 2004

"The empirical results find that increases in the price of an abortion and the enforcement of a Parental Involvement Law decrease the number of infants available for adoption in a state. States that do not fund Medicaid abortions do not have higher rates of infant relinquishment."
The effect of abortion costs on adoption in the USA, International Journal of Social Economics, 2008

"Overall, the results show that laws that increased minors’ access to abortion in the 1960s and 1970s had a larger impact on minors’ birthrates than laws that increased oral contraceptive access."
Fertility Effects of Abortion and Birth Control Pill Access for Minors, Demography, November 2008

"Robustness tests supported the association between access to abortion and decreased birthrates, while the relationship between access to the pill and birthrates received less support."
Abortion or Pill Access Is Associated with Lower Birthrates Among Minors, Perspectives on Sexual and Reproductive Health, March 2009

"Minors in states with mandatory waiting periods were more than two times as likely to report an unintended birth."
How Are Restrictive Abortion Statutes Associated With Unintended Teen Birth? Journal of Adolescent Health, August 2010

"A series of regressions on a comprehensive time series cross-sectional data set provides evidence that several types of state-level anti-abortion legislation result in statistically significant declines in both the abortion rate and the abortion ratio."
Analyzing the Effect of Anti-Abortion U.S. State Legislation in the Post-Casey Era, State Politics & Policy Quarterly, March 2011

"I estimate an increase in the birthrate of 4% to 12% when abortion is restricted. In the absence of anti-abortion laws, fertility would have been 5% to 12% lower in the early twentieth century."
The Effect of Anti-Abortion Legislation on Nineteenth Century Fertility, Demography, June 2015

"Trends in sexual behavior suggest that young women’s increased access to the birth control pill fueled the sexual revolution, but neither these trends nor difference-in-difference estimates support the view that this also led to substantial changes in family formation. Rather, the estimates robustly suggest that it was liberalized access to abortion that allowed large numbers of women to delay marriage and motherhood."
The Power of Abortion Policy: Reexamining the Effects of Young Women’s Access to Reproductive Control, Journal of Political Economy, November 2017

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