The Missouri bill's sponsors say they knew that to avoid falling to similar legal challenges, they had to draft a bill not already covered by court precedent.
"We need to give the courts something that doesn't have precedent behind it, but accomplishes the same goals," Koenig said.
"Ultimately I think other states can take our language and start really limiting abortion, because I think our law will, for the most part, get upheld."
The Missouri vote came hours after Alabama Gov. Kay Ivey signed into law a near-total ban on almost in that state. Unlike the Missouri bill, the Alabama law is intended to generate a court battle and challenge the 1073 Supreme Court decision in Roe v. Wade.
"[Our law] is not a piece of legislation that is designed for a challenge," Missouri House Speaker Elijah Haahr told the Associated Press.
"This is the type of legislation that is designed to withstand a challenge and to actually save lives in our state."
The Missouri bill also provides for a 70% tax credit for donations Missourians make to pregnancy resource centers on or after January 1, 2021 to foster a "culture of life" in the state, Koenig said.
If passed, the law would also prohibit "selective" abortions following a medical diagnosis or disability such as Down syndrome, or on the basis of the race or sex of a baby.
"For me as a Catholic, for me being pro-life, this is common sense to me," Schroer said.
The St. Louis Post-Dispatch reports that since peaking at more than 20,000 per year in the 1980s, in 2017 the annual number of abortions in Missouri had dropped to fewer than 7,000.
The bill would also require any abortion providers operating in the state to have at least $3 million in insurance to cover women in case of botched abortion procedures.
(Story continues below)
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"I think that's actually a huge provision we added in the Senate," Koenig said. "I think ultimately we'll be able to eliminate abortion in Missouri because of this bill, but I think also because Planned Parenthood would just say it's not worth doing business in the state of Missouri."
Missouri has only one Planned Parenthood clinic authorized to perform abortions in the state, located in St. Louis.
A Planned Parenthood clinic in Columbia, MO has been blocked from performing abortions since October 2018, after the facility failed to adhere to state rules and license expired. No abortions have been performed there since.