State Legal Snapshot
Abortion law, status, and enforcement — one-page reference
Abortion is constitutionally protected through fetal viability by Amendment 3 (2024); nearly all statutory abortion restrictions have been struck down by a Jackson County court as unconstitutional.
Mo. Const. art. I, § 36 · Comprehensive Health of Planned Parenthood Great Plains v. Missouri, Case No. 2416-CV31931 (Jackson County Cir. Ct., June 18, 2026) · Mo. Rev. Stat. § 188.017
Missouri's legal treatment of the unborn contains significant internal contradictions. Section 1.205 declares that life begins at conception and that unborn children at every stage are entitled to all the rights available to other persons. Missouri courts have applied this to treat a fetus as a homicide victim, assault victim, and wrongful-death subject — all from conception, without regard to viability.
Mo. Rev. Stat. § 1.205.1 · State v. Knapp, 843 S.W.2d 345 (Mo. banc 1992) · Mo. Rev. Stat. § 188.015(11)
Missouri requires written consent from one parent or guardian before a minor under 18 may obtain an abortion; a custodial parent must also be notified in writing.
Missouri's 1974 spousal consent provision was struck down in Planned Parenthood v. Danforth, 428 U.S. 52 (1976), and has not been reenacted; no current spousal notice or consent requirement exists.
| Actor | Offense | Penalty |
|---|---|---|
| Physician (pre-Amendment 3 trigger ban, now enjoined) | Knowingly performing or inducing an abortion in violation of § 188.017 | Class B felony: 5-15 years imprisonment; license suspension or revocation |
| Physician (8-week ban, now enjoined) | Performing or inducing an abortion at 8 weeks gestational age or later | Class B felony: 5-15 years imprisonment; license suspension or revocation |
| Physician (viability ban, now enjoined) | Performing abortion of viable unborn child in violation of § 188.030 | Class D felony: minimum 1 year imprisonment, fine $10,000-$50,000; license suspension or revocation |
| Any person (general abortion violations, enforceable) | Knowingly performing, inducing, or aiding abortion contrary to §§ 188.010-188.085 | Class A misdemeanor: up to 1 year imprisonment and/or fine up to $2,000 |
| Physician (partial-birth abortion/infanticide) | Causing death of living infant by overt act when infant is partially born or born | Class A felony: 10-30 years or life imprisonment; exempts legal abortion where act causing death occurs before partial birth |
Comprehensive Health of Planned Parenthood Great Plains v. Missouri (Appeal)
Litigation · Jackson County Circuit Court entered final judgment on June 18, 2026; Missouri Attorney General announced expedited appeal to the Missouri Supreme Court
If the Missouri Supreme Court reverses, the trigger ban and most abortion restrictions could be reinstated; if affirmed, the constitutional framework under Amendment 3 would be solidified.
2026 Missouri Amendment 3 (Prohibit Abortion and Gender Transition Procedures for Minors Amendment)
Ballot measure · Placed on the November 3, 2026 ballot by the Missouri General Assembly as a legislatively referred constitutional amendment
If approved, would repeal Article I, Section 36 and prohibit abortions except in cases of medical emergency, fetal anomaly, rape, or incest — with rape and incest exceptions capped at 12 weeks.
Right By You v. Missouri (Parental Consent Challenge)
Litigation · Filed April 30, 2025 in Jackson County Circuit Court; challenges parental consent requirement and minor-aiding liability under Amendment 3
Could strike down Missouri's parental consent requirement and civil liability for aiding a minor to obtain an abortion.
The operative constitutional text governing abortion in Missouri, establishing a fundamental right to reproductive freedom including abortion through viability.
Missouri's near-total abortion ban, enacted in 2019 and triggered by Dobbs; now permanently enjoined under Amendment 3.
2019 framework including bans at 8, 14, 18, and 20 weeks with extensive legislative findings; now enjoined.
The controlling trial court decision that struck down most of Missouri's abortion restrictions as unconstitutional under Amendment 3.
Defines key terms and establishes that only licensed physicians may perform abortions — upheld under Amendment 3.
Generated from the structured legal focused deep-research record for MO (research completed 2026-07-12). This snapshot condenses a much larger sourced dataset — full citations, quoted statutory text, and plain-language explanations are in the full Missouri survey. This document has not been reviewed by a lawyer and should not be used as legal advice.