---
type: "Bill"
title: "relative to health care professionals administering hormone treatments and puberty blockers and relative to recognizing the second Thursday in October as children's environmental health day."
description: "relative to health care professionals administering hormone treatments and puberty blockers and relative to recognizing the second Thursday in October as children's environmental health day."
jurisdiction: "us/states/nh"
legislature: "New Hampshire General Court"
session: "2025"
identifier: "HB 377"
citation: "New Hampshire HB 377 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Lisa R Mazur"]
version_count: 1
action_count: 32
vote_count: 6
first_action: "2025-01-08"
last_action: "2025-11-03"
source: "openstates"
source_identifier: "ocd-bill/b480e142-1723-45e6-9be7-f20355e62bf1"
source_url: "https://www.gencourt.state.nh.us/bill_status/legacy/bs2016/bill_docket.aspx?lsr=0436&sy=2025&sortoption=&txtsessionyear=2025"
source_hash: "b465453ec682b1482a1faef93a30bc31678eba9d099316ba167f14f6c43cd11c"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-nh"]
---

# New Hampshire HB 377 (2025) — relative to health care professionals administering hormone treatments and puberty blockers and relative to recognizing the second Thursday in October as children's environmental health day.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Amendment #2025-2621s** (committee substitute) — [source](https://www.gencourt.state.nh.us/bill_status/legacy/bs2016/billText.aspx?sy=2025&id=2025-2621s&txtFormat=amend)

## Votes

- Adopt CofC Report — **202–161** (pass) · lower
- Ought to Pass w/Amendment — **16–7** (pass) · upper
- Previous Question — **177–194** (fail) · lower
- OTPA — **197–167** (pass) · lower
- Adopt Floor Amendment — **168–203** (fail) · lower
- Conference Committee Report — **16–8** (pass) · upper

## Sponsors

- Lisa R Mazur — primary (person)
- Erica J Layon — cosponsor (person)
- Jim A Kofalt — cosponsor (person)
- Judy F. Aron — cosponsor (person)
- Katy Peternel — cosponsor (person)
- Keith R. Murphy — cosponsor (person)
- Melissa A. Litchfield — cosponsor (person)
- Sayra Lynn DeVito — cosponsor (person)
- Sherri L Reinfurt — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2025-01-08** Introduced 01/08/2025 and referred to Health, Human Services and Elderly Affairs HJ 2 P. 17 `introduction, referral-committee`
- **2025-02-25** Public Hearing: 03/03/2025 09:30 am LOB 306-308
- **2025-03-13** Executive Session: 03/19/2025 09:30 am LOB 201
- **2025-03-19** Majority Committee Report: Ought to Pass with Amendment # 2025-1083h 03/19/2025 (Vote 10-8; RC) HC 17 P. 58 `committee-passage-favorable`
- **2025-03-19** Minority Committee Report: Inexpedient to Legislate
- **2025-03-27** Amendment # 2025-1083h: AA DV 350-4 03/27/2025 HJ 11 P. 36
- **2025-03-27** FLAM # 2025-1316h (Rep. Weber): AF RC 168-203 03/27/2025 HJ 11 P. 37
- **2025-03-27** Previous Question MF RC 177-194 HJ 11 P. 40
- **2025-03-27** Ought to Pass with Amendment 2025-1083h: MA RC 197-167 03/27/2025 HJ 11 P. 42 `committee-passage-favorable, passage`
- **2025-03-28** Introduced 03/27/2025 and Referred to Health and Human Services; SJ 10 `introduction, referral-committee`
- **2025-04-14** Hearing: 04/23/2025, Room 101, LOB, 10:30 am; SC 18
- **2025-04-16** ==ROOM CHANGE== Hearing: 04/23/2025, Room 103, SH, 09:45 am; SC 18
- **2025-05-23** Committee Report: Ought to Pass with Amendment # 2025-2354s, 06/05/2025, Vote 3-2; SC 24 `committee-passage-favorable`
- **2025-06-05** Committee Amendment # 2025-2354s, AA, VV; 06/05/2025; SJ 15
- **2025-06-05** Sen. Rochefort Floor Amendment # 2025-2514s, AA, VV; 06/05/2025; SJ 15
- **2025-06-05** Sen. Ricciardi Floor Amendment # 2025-2621s, AA, VV; 06/05/2025; SJ 15
- **2025-06-05** Ought to Pass with Amendments #2025-2354s, and #2025-2514s #2025-2621s, RC 16Y-7N, MA; OT3rdg; 06/05/2025; SJ 15 `committee-passage-favorable, passage`
- **2025-06-10** House Non-Concurs with Senate Amendment 2025-2354s 2025-2514s and 2025-2621s and Requests CofC (Rep. Kofalt): MA VV 06/05/2025 HJ 16 P. 168
- **2025-06-10** Speaker Appoints: Reps. W. MacDonald, Kesselring, Kofalt, Drew 06/05/2025 HJ 16 P. 168
- **2025-06-11** Sen. Rochefort Accedes to House Request for Committee of Conference, MA, VV; (In recess 06/05/2025); SJ 16
- **2025-06-11** President Appoints: Senators Rochefort, Ricciardi, Prentiss; (In Recess 06/05/2025); SJ 16
- **2025-06-17** Conference Committee Meeting: 06/17/2025 03:00 pm LOB 305
- **2025-06-17** Conferee Change: Rep. S. Smith Replaces Rep. Kesselring 06/17/2025 HJ 17 P. 24
- **2025-06-18** Conferee Change; Senator Abbas Replaces Senator Prentiss; SJ 17
- **2025-06-18** Conference Committee Report Filed, # 2025-2809c; 06/26/2025
- **2025-06-26** Conference Committee Report 2025-2809c: Adopted, RC 202-161 06/26/2025 HJ 18 P. 27
- **2025-06-25** Removed from Consent (Reps. Weber, Lucas, Woods, Tellez, Roesener, Palmer, Schultz, LaMontagne, Hartnett, Beauchemin) 06/25/2025 HJ 18 P. 17
- **2025-06-05** Without Objection, the Clerk is authorized to make technical and administrative corrections which are necessary to reflect the intent of the Senate, MA; 06/05/2025; SJ 15
- **2025-07-14** Enrolled Adopted, VV, (In recess 06/26/2025); SJ 18 `enrolled`
- **2025-07-14** Enrolled (in recess of) 06/26/2025 HJ 18 P. 63
- **2025-08-11** Signed by Governor Ayotte 08/01/2025; Chapter 275; eff. I. Sec 1 & 2 eff 01/01/2026 II. Rem eff 09/30/2025 `executive-signature`
- **2025-11-03** Conference Committee Report # 2025-2809c; RC 16Y-8N, Adopted; 06/26/2025; SJ 17

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b480e142-1723-45e6-9be7-f20355e62bf1`. Confidence: reported (aggregated from official New Hampshire legislature records).