This amendment would establish a constitutional right to reproductive rights and would remove Missouri's ban on abortion. Source: Election results are from The Associated Press. By The New York Times election results team: Michael Andre,

Amendment 3 places language in the Missouri Constitution legalizing abortion up to fetal viability, which is usually around 24 weeks. Now that the amendment passed, abortion rights proponents plan to file lawsuits to strike down the state’s near-total ban.

Missourians voted to reverse the state’s strict abortion ban in the Nov. 5 election. Here’s when Amendment 3 will take effect.