Back to Missouri

HB1608 • 2026

Modifies provisions relating to gender transition procedures

Modifies provisions relating to gender transition procedures

Children
Passed Legislature

This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.

Sponsor
Billington, Hardy (152)
Last action
2026-01-28
Official status
This Bill Replaced with a Substitute Bill - Check Primary Bill - HB 2033
Effective date
2026-08-28

Plain English Breakdown

The official source material does not provide specific details about penalties or enforcement mechanisms beyond mentioning that violations are considered unprofessional conduct leading to potential license revocation. Legal actions and damages are mentioned but without detailed specifics on how they apply in practice.

Missouri Save Adolescents from Experimentation (SAFE) Act

This act restricts health care providers from performing certain gender transition procedures on minors under the age of eighteen.

What This Bill Does

  • Defines key terms such as 'biological sex', 'cross-sex hormones', and 'gender transition'.
  • Prohibits health care providers from performing gender transition surgeries on individuals under eighteen years old.
  • Bans health care providers from prescribing or administering cross-sex hormones or puberty-blocking drugs to minors for gender transition purposes, with some exceptions.

Who It Names or Affects

  • Health care providers who treat individuals under eighteen years old.
  • Minors under eighteen years of age seeking gender transition procedures.

Terms To Know

Biological sex
The biological indication of male or female in the context of reproductive potential, such as chromosomes and hormones present at birth.
Cross-sex hormones
Testosterone, estrogen, or other androgens given to an individual in amounts greater than naturally occurring.

Limits and Unknowns

  • The act does not apply to speech protected by the First Amendment.
  • There are exceptions for individuals with medically-verifiable disorders of sex development.

Bill History

  1. 2026-01-28 Missouri House of Representatives and Missouri Senate

    HCS Reported Do Pass (H) - AYES: 9 NOES: 4 PRESENT: 0

  2. 2026-01-27 Missouri House of Representatives and Missouri Senate

    Executive Session Completed (H)

  3. 2026-01-27 Missouri House of Representatives and Missouri Senate

    HCS Voted Do Pass (H)

  4. 2026-01-20 Missouri House of Representatives and Missouri Senate

    Public Hearing Completed (H)

  5. 2026-01-08 Missouri House of Representatives and Missouri Senate

    Read Second Time (H)

  6. 2026-01-08 Missouri House of Representatives and Missouri Senate

    Referred: Emerging Issues(H)

  7. 2026-01-07 Missouri House of Representatives and Missouri Senate

    Read First Time (H)

  8. 2025-12-01 Missouri House of Representatives and Missouri Senate

    Prefiled (H)

Official Summary Text

Modifies provisions relating to gender transition procedures

Current Bill Text

Read the full stored bill text
SECOND REGULAR SESSION
HOUSE BILL NO. 1608
103RD GENERAL ASSEMBL Y
INTRODUCED BY REPRESENT A TIVE BILLINGT ON.
5076H.01I JOSEPH ENGLER, Chief Clerk
AN ACT
T o repeal section 191.1720, RSMo, and to enact in lieu thereof one new section relating to
gender transition procedures.
Be it enacted by the General Assembly of the state of Missouri, as follows:
Section A. Section 191.1720, RSMo, is repealed and one new section enacted in lieu
2 thereof, to be known as section 191.1720, to read as follows:
191.1720. 1. This section shall be known and may be cited as the "Missouri Save
2 Adolescents from Experimentation (SAFE) Act".
3 2. For purposes of this section, the following terms mean:
4 (1) "Biological sex", the biological indication of male or female in the context of
5 reproductive potential or capacity , such as sex chromosomes, naturally occurring sex
6 hormones, gonads, and nonambiguous internal and external genitalia present at birth, without
7 regard to an individual's psychological, chosen, or subjective experience of gender;
8 (2) "Cross-sex hormones", testosterone, estrogen, or other androgens given to an
9 individual in amounts that are greater or more potent than would normally occur naturally in a
10 healthy individual of the same age and sex;
11 (3) "Gender", the psychological, behavioral, social, and cultural aspects of being male
12 or female;
13 (4) "Gender transition", the process in which an individual transitions from
14 identifying with and living as a gender that corresponds to his or her biological sex to
15 identifying with and living as a gender dif ferent from his or her biological sex, and may
16 involve social, legal, or physical changes;
EXPLANA TION — Matter enclosed in bold-faced brackets [thus] in the above bill is not enacted and is
intended to be omitted from the law . Matter in bold-face type in the above bill is proposed language.
17 (5) "Gender transition surgery" , a sur gical procedure performed for the purpose of
18 assisting an individual with a gender transition, including, but not limited to:
19 (a) Sur gical procedures that sterilize, including, but not limited to, castration,
20 vasectomy , hysterectomy , oophorectomy , orchiectomy , or penectomy;
21 (b) Sur gical procedures that artificially construct tissue with the appearance of
22 genitalia that dif fers from the individual's biological sex, including, but not limited to,
23 metoidioplasty , phalloplasty , or vaginoplasty; or
24 (c) Augmentation mammoplasty or subcutaneous mastectomy;
25 (6) "Health care provider", an individual who is licensed, certified, or otherwise
26 authorized by the laws of this state to administer health care in the ordinary course of the
27 practice of his or her profession;
28 (7) "Puberty-blocking drugs", gonadotropin-releasing hormone analogues or other
29 synthetic drugs used to stop luteinizing hormone secretion and follicle stimulating hormone
30 secretion, synthetic antiandrogen drugs to block the androgen receptor , or any other drug used
31 to delay or suppress pubertal development in children for the purpose of assisting an
32 individual with a gender transition.
33 3. A health care provider shall not knowingly perform a gender transition surgery on
34 any individual under eighteen years of age.
35 4. (1) A health care provider shall not knowingly prescribe or administer cross-sex
36 hormones or puberty-blocking drugs for the purpose of a gender transition for any individual
37 under eighteen years of age.
38 (2) The provisions of this subsection shall not apply to the prescription or
39 administration of cross-sex hormones or puberty-blocking drugs for any individual under
40 eighteen years of age who was prescribed or administered such hormones or drugs prior to
41 August 28, 2023, for the purpose of assisting the individual with a gender transition.
42 [(3) The provisions of this subsection shall expire on August 28, 2027. ]
43 5. The performance of a gender transition sur gery or the prescription or
44 administration of cross-sex hormones or puberty-blocking drugs to an individual under
45 eighteen years of age in violation of this section shall be considered unprofessional conduct
46 and any health care provider doing so shall have his or her license to practice revoked by the
47 appropriate licensing entity or disciplinary review board with competent jurisdiction in this
48 state.
49 6. (1) The prescription or administration of cross-sex hormones or puberty-blocking
50 drugs to an individual under eighteen years of age for the purpose of a gender transition shall
51 be considered grounds for a cause of action against the health care provider . The provisions
52 of chapter 538 shall not apply to any action brought under this subsection.
HB 1608 2
53 (2) An action brought pursuant to this subsection shall be brought within fifteen years
54 of the individual injured attaining the age of twenty-one or of the date the treatment of the
55 injury at issue in the action by the defendant has ceased, whichever is later .
56 (3) An individual bringing an action under this subsection shall be entitled to a
57 rebuttable presumption that the individual was harmed if the individual is infertile following
58 the prescription or administration of cross-sex hormones or puberty-blocking drugs and that
59 the harm was a direct result of the hormones or drugs prescribed or administered by the health
60 care provider . Such presumption may be rebutted only by clear and convincing evidence.
61 (4) In any action brought pursuant to this subsection, a plaintif f may recover
62 economic and noneconomic damages and punitive damages, without limitation to the amount
63 and no less than five hundred thousand dollars in the aggregate. The judgment against a
64 defendant in an action brought pursuant to this subsection shall be in an amount of three times
65 the amount of any economic and noneconomic damages or punitive damages assessed. Any
66 award of damages in an action brought pursuant to this subsection to a prevailing plaintif f
67 shall include attorney's fees and court costs.
68 (5) An action brought pursuant to this subsection may be brought in any circuit court
69 of this state.
70 (6) No health care provider shall require a waiver of the right to bring an action
71 pursuant to this subsection as a condition of services. The right to bring an action by or
72 through an individual under the age of eighteen shall not be waived by a parent or legal
73 guardian.
74 (7) A plaintif f to an action brought under this subsection may enter into a voluntary
75 agreement of settlement or compromise of the action, but no agreement shall be valid until
76 approved by the court. No agreement allowed by the court shall include a provision regarding
77 the nondisclosure or confidentiality of the terms of such agreement unless such provision was
78 specifically requested and agreed to by the plaintif f.
79 (8) If requested by the plaintif f, any pleadings, attachments, or exhibits filed with the
80 court in any action brought pursuant to this subsection, as well as any judgments issued by the
81 court in such actions, shall not include the personal identifying information of the plaintiff.
82 Such information shall be provided in a confidential information filing sheet
8 3 contemporaneously filed with the court or entered by the court, which shall not be subject
84 to public inspection or availability .
85 7. The provisions of this section shall not apply to any speech protected by the First
86 Amendment of the United States Constitution.
87 8. The provisions of this section shall not apply to the following:
88 (1) Services to individuals born with a medically-verifiable disorder of sex
89 development, including, but not limited to, an individual with external biological sex
HB 1608 3
90 characteristics that are irresolvably ambiguous, such as those born with 46,XX chromosomes
91 with virilization, 46,XY chromosomes with undervirilization, or having both ovarian and
92 testicular tissue;
93 (2) Services provided when a physician has otherwise diagnosed an individual with a
94 disorder of sex development and determined through genetic or biochemical testing that the
95 individual does not have normal sex chromosome structure, sex steroid hormone production,
96 or sex steroid hormone action;
97 (3) The treatment of any infection, injury , disease, or disorder that has been caused by
98 or exacerbated by the performance of gender transition sur gery or the prescription or
99 administration of cross-sex hormones or puberty-blocking drugs regardless of whether the
100 sur gery was performed or the hormones or drugs were prescribed or administered in
101 accordance with state and federal law; or
102 (4) Any procedure undertaken because the individual suf fers from a physical disorder ,
103 physical injury , or physical illness that would, as certified by a physician, place the individual
104 in imminent danger of death or impairment of a major bodily function unless surgery is
105 performed.
✔
HB 1608 4