Abstract
The timing of an abortion (often measured as gestational age) can have important effects on the woman’s physical health and on the cost of the procedure. To the authors’ knowledge, there has been only one national analysis of the factors associated with the gestational age at abortion, but it employed data from over 20 years ago. The state‐specific studies that have explored abortion timing have typically examined the effects of a specific change in abortion regulations. In this study, we employ annual, state‐level data covering the 1991–2014 period that measure the frequency of abortions by gestational age. We regress these measures of abortion utilization on policy, economic, demographic, and health care infrastructure characteristics. The estimates indicate that the introduction of state restrictions on Medicaid funding of abortions is associated with a 13% increase in the rate of abortions after the first trimester. We do not find a statistically significant association between parental involvement laws and the rate or percentage of post‐first‐trimester abortions.
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