As the Supreme Court considers Roe v. Wade, a look at how abortion became legal : NPR

…Abortion did not become illegal in most states until the mid to late 1800s. But by the 1960s, abortion, like childbirth, had become a safe procedure when performed by a doctor, and women were entering the workforce in ever larger numbers…

https://www.npr.org/2021/11/29/1056129045/as-the-supreme-court-considers-roe-v-wade-a-look-at-how-abortion-became-legal