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83rd OREGON LEGISLATIVE ASSEMBLY--2025 Regular Session
Senate Bill 899
Sponsored by Senator NASH, Representative LEVY B; Representative HARBICK
SUMMARY
The following summary is not prepared by the sponsors of the measure and is not a part of the body thereof subject
to consideration by the Legislative Assembly. It is an editor’s brief statement of the essential features of the
measure as introduced.The statement includes a measure digest written in compliance with applicable readability
standards.
Digest: The Act raises the age when a person may receive some gender-affirming treatments to
18 years of age. (Flesch Readability Score: 61.6).
Prohibits physicians from performing irreversible gender reassignment surgery on a minor.
Createsexceptions.
A BILL FOR AN ACT
Relating to gender reassignment surgery.
Be It Enacted by the People of the State of Oregon:
SECTION 1. Section 2 of this 2025 Act is added to and made a part of ORS chapter 677.
SECTION 2.(1) As used in this section:
(a) “Biological sex” means the biological indication of male or female in the context of
reproductive potential or capacity, such as sex chromosomes, naturally occurring sex
hormones, gonads and nonambiguous internal and external genitalia present at birth without
regard to a person’s psychological, chosen or subjective experience of gender.
(b) “Gender” means the psychological, behavioral, social and cultural aspects of being
male or female.
(c) “Gender transition” means the process involving any social, legal or physical changes
by which a person goes from identifying with and living as a gender that corresponds to the
person’s biological sex to identifying with and living as a gender different from the person’s
biological sex.
(2) Notwithstanding ORS 435.210, a physician may not perform any of the following pro-
cedures on a person under 18 years of age for the purpose of assisting the person with an
irreversible gender transition:
(a) Penectomy, orchiectomy, vaginoplasty, clitoroplasty or vulvoplasty for a biologically
male person or hysterectomy or oophorectomy for a biologically female person.
(b) Metoidioplasty, phalloplasty, vaginectomy, scrotoplasty or implantation of erection or
testicular prostheses for a biologically female person.
(c) Augmentation mammoplasty for a biologically male person or subcutaneous
mastectomy for a biologically female person.
(3) Notwithstanding subsection (2) of this section, a physician may provide the following
necessary services and medical treatment to a person under 18 years of age:
(a) Services to a person born with a medically verifiable disorder of sex development,
including a person with ambiguous external biological sex characteristics, such as being born
with 46 XX chromosomes with virilization or 46 XY chromosomes with undervirilization or
having both ovarian and testicular tissue.
NOTE:Matter in boldfaced type in an amended section is new; matter [italic and bracketed] is existing law to be omitted.
New sections are in boldfaced type.
LC 1239 SB899
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(b) Services provided when a physician has otherwise diagnosed a disorder of sex devel-
opment and has determined through genetic or biochemical testing that the person does not
have normal sex chromosome structure, sex steroid hormone production or sex steroid
hormoneaction.
(c) The treatment of any infection, injury, disease or disorder that has been caused or
exacerbated by the performance of a gender transition procedure, whether or not the gender
transition procedure was performed in accordance with state and federal law.
(d) Any procedure undertaken because the person suffers from a physical disorder,
physical injury or physical illness that would, as diagnosed by a physician, place the person
in imminent danger of death or impairment of major bodily function or death unless surgery
is performed.
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