On April 12, Governor Jan Brewer signed a bill making Arizona the eighth state in the union to ban abortions beyond 20 weeks. Like most other laws of its kind, House Bill 2036 had been camouflaged as a measure against suffering, predicated on the notion that a fetus at 20 weeks can feel pain. Every woman who’s ever been pregnant, however, knows what the law really means: Twenty weeks marks a crucial point in a pregnancy, when fetal abnormalities can be detected, often for the first time. Many women confronted with a grim prenatal diagnosis choose to have an abortion. Now, in Arizona, they can’t.