The state’s Supreme Court ruled that the 1864 law is enforceable today. Here is what led to its enactment.

By Pam Belluck
April 10, 2024

The 160-year-old Arizona abortion ban that was upheld on Tuesday by the state’s highest court was among a wave of anti-abortion laws propelled by some historical twists and turns that might seem surprising.

For decades after the United States became a nation, abortion was legal until fetal movement could be felt, usually well into the second trimester. Movement, known as quickening, was the threshold because, in a time before pregnancy tests or ultrasounds, it was the clearest sign that a woman was pregnant.

Unlocked: https://www.nytimes.com/2024/04/10/health/arizona-abortion-ban-history.html