after eight weeks of pregnancy. doctors would face up to 15 years in prison for violating that. it must still be signed by the governor but the governor has already voiced his support for the measure. georgia, kentucky, missouri, mississippi, and ohio have passed so-called heartbeat bills. alabama is the most restrictive of all making abortion illegal in nearly all instances including cases of rape and incest. these states' all past measures contradictory to the supreme court's long-term ruling protecting women's right to choose. cnn's natasha chen has more on the controversy if missouri. >> the missouri house of representatives passed this bill 110-44 after about two hours of debate on friday. like some other states they looked at the moment a fetal heartbeat can be detected but here they specifically outlawed abortion after eight weeks. now, in case a judge strikes that down, they also have provisions for a ban after 14 weeks, then 18 weeks, then 20