40 CFR § 26.203 - Prohibition of research conducted or supported by EPA involving intentional exposure of any human subject who is a pregnant woman (and therefore her fetus), a nursing woman, or child.

---
identifier: "/us/cfr/t40/s26.203"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 26.203 - Prohibition of research conducted or supported by EPA involving intentional exposure of any human subject who is a pregnant woman (and therefore her fetus), a nursing woman, or child."
title_number: 40
title_name: "Protection of Environment"
section_number: "26.203"
section_name: "Prohibition of research conducted or supported by EPA involving intentional exposure of any human subject who is a pregnant woman (and therefore her fetus), a nursing woman, or child."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "26"
part_name: "PROTECTION OF HUMAN SUBJECTS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "5 U.S.C. 301; 7 U.S.C. 136a(a) and 136w(a)(1); 21 U.S.C. 346a(e)(1)(C); sec. 201, Pub. L. 109-54, 119 Stat. 531; and 42 U.S.C. 300v-1(b)."
regulatory_source: "56 FR 28012, 28022, June 18, 1991, unless otherwise noted."
cfr_part: "26"
---


# 26.203 Prohibition of research conducted or supported by EPA involving intentional exposure of any human subject who is a pregnant woman (and therefore her fetus), a nursing woman, or child.

Notwithstanding any other provision of this part, under no circumstances shall EPA conduct or support research involving intentional exposure of any human subject who is a pregnant woman (and therefore her fetus), a nursing woman, or a child.

[71 FR 36175, June 23, 2006]