Dana Goldstein summarizes a key point from The Guttmacher Institute's new report(pdf) on abortion in America:

The abortion rate is currently at its lowest since Roe v. Wade was decided in 1973. Most of the change is due to declining abortion rates among women aged 20 to 24 since 1989. Experts disagree on the cause of this shift, with some pointing toward easier access to contraceptives, and others citing state laws that require parental notification for minors' abortions.

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