The US supreme court heard one of the most sadistic, extreme anti-abortion cases yet | Moira Donegan

Idaho's law requires doctors to treat pregnant women's health as disposable - and the loss of their lives as an acceptable risk

The risk of stating plainly what Idaho argued at the US supreme court on Wednesday morning is that it is so sadistic and extreme that people might not believe you. Idaho has one of the most restrictive abortion bans in the country. Prohibiting all abortions at any stage of gestation, with no exceptions for rape or incest, the Idaho law allows doctors to perform abortions in cases where the life - but not merely" the health - of the pregnant woman is at risk.

In practice, this has wound up being a ban on abortions needed to save women's lives: according to Idaho hospitals, six pregnant women experiencing medical emergencies have had to be airlifted across state lines to hospitals in states with life and health exemptions in the months since Idaho began enforcing its abortion ban. One way to describe this state of affairs is to say that Idaho's abortion law has come into conflict with medical best practice. Another way to describe it is to say that the law has forced pregnant women to flee the state for their lives.

Moira Donegan is a Guardian US columnist