PolicyBrief
H.R. 10127
119th CongressAug 20th 2026
Terminating Radical Attempts to Negate Sex Through Government Research Act
IN COMMITTEE

This bill prohibits the use of federal funds to conduct or support research related to gender-affirming medical treatments and procedures.

Nancy Mace
R

Nancy Mace

Representative

SC-1

LEGISLATION

TRANS Government Research Act Proposes Total Federal Funding Ban on Gender-Related Medical Studies

The "Terminating Radical Attempts to Negate Sex Through Government Research Act" (or the TRANS Government Research Act) aims to pull the plug on federal financial support for any research involving gender-affirming medical treatments. Under Section 2, the bill prohibits federal funds from being used—directly or indirectly—to conduct or support studies on the effects of medical interventions meant to alter a person’s body so it no longer corresponds to their biological sex. This isn't just about new studies; the language "regardless of any other law" suggests a hard stop on existing federal research pipelines into these specific medical fields.

Redefining the Laboratory

The bill provides a strict, exhaustive list of what counts as "gender-related medical treatment" that researchers can no longer study with federal help. For those designated as female, this includes everything from testosterone therapy and puberty blockers to surgical procedures like hysterectomies or vocal cord surgery when used to address the individual’s perception that they are not female. For those designated as male, it bars research into estrogen therapy, facial feminization surgery, and even uterine transplantation. By specifically naming these procedures, the bill creates a clear "no-fly zone" for scientists at universities or government agencies who rely on federal grants to understand the long-term health outcomes, safety, or efficacy of these treatments.

The Biological Baseline

At the heart of this legislation is a rigid definition of sex based strictly on reproductive potential. Section 2 defines "female" and "male" based on whether a person naturally has a reproductive system designed to produce eggs or sperm, respectively. This definition explicitly excludes an individual's self-perception or identity, tying "sex" solely to biological determination. For a researcher studying how certain hormones affect bone density or heart health in transgender patients, these definitions could mean their work no longer qualifies for the federal grants that power most major medical breakthroughs in the U.S.

Real-World Ripple Effects

If you’re a medical researcher or a student at a university that receives federal funding, this bill could fundamentally change your career path or the viability of your projects. Because the bill prohibits "indirect" funding, institutions might hesitate to support any gender-related inquiry for fear of risking their broader federal budget. For patients, the impact is less about immediate care and more about the future: if research is halted, the medical community’s ability to develop safer protocols or understand long-term side effects of transition-related care could stagnate. This could leave doctors and patients making decisions based on outdated data, as the federal government—the largest funder of scientific research in the world—would be effectively sidelined from the conversation.