Missouri is the most populous state where a ballot measure could roll back a current ban on abortions at all stages of pregnancy.

The abortion-rights groups behind the amendment are challenging Missouri’s TRAP laws in the hopes of opening up more access than Missourians have seen in decades.

When Missouri on Tuesday became the first state to overturn a near-total abortion ban by the vote of the people, Desiree White cried happy tears. Twenty-five years earlier, she and her husband chose to terminate a pregnancy they very much wanted after they received a diagnosis of a fatal fetal abnormality.