---
type: "Bill"
title: "amend the definition of an abortion."
description: "amend the definition of an abortion."
jurisdiction: "us/states/sd"
legislature: "South Dakota Legislature"
session: "2026"
identifier: "HB 1257"
citation: "South Dakota HB 1257 (2026)"
classification: ["bill"]
subjects: ["Abortion", "Crimes", "Health Care", "Medical Records", "Public Health and Safety"]
status: "enacted"
primary_sponsors: ["Grove", "Heinemann", "Jorgenson", "Sjaarda", "Soye"]
version_count: 4
action_count: 15
vote_count: 4
first_action: "2026-02-03"
last_action: "2026-03-30"
source: "openstates"
source_identifier: "ocd-bill/cb465cc5-afe1-44ec-a8d6-672f85768de2"
source_url: "https://sdlegislature.gov/Session/Bill/26454"
source_hash: "978c50aa84cfa4c36e4187175a36bbcc45b5dafb20da1ab052f85b32e14c913b"
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-sd"]
---

# South Dakota HB 1257 (2026) — amend the definition of an abortion.

## Version chain

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

1. **Introduced** (filed) — [source](https://sdlegislature.gov/Session/Bill/26454/300425)
2. **1257D** (committee substitute) — [source](https://mylrc.sdlegislature.gov/api/Documents/304453.pdf)
3. **House State Affairs Engrossed** (committee substitute) — [source](https://sdlegislature.gov/Session/Bill/26454/304543)
4. **Enrolled** (enrolled) — [source](https://sdlegislature.gov/Session/Bill/26454/306017)

## Votes

- Do Pass — **8–1** (pass) · upper
- Do Pass Amended — **10–2** (pass) · lower
- Do Pass Amended — **60–6** (pass) · lower
- Do Pass Amended — **31–2** (pass) · upper

## Sponsors

- Grove — primary (person)
- Heinemann — primary (person)
- Jorgenson — primary (person)
- Sjaarda — primary (person)
- Soye — primary (person)

## Timeline

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

- **2026-02-03** First Reading House H.J. 207
- **2026-02-06** Prime Sponsor Changed at the Request of the Prime Sponsor , Passed, H.J. 246
- **2026-02-11** Referred to House State Affairs H.J. 294 `referral-committee`
- **2026-02-23** Scheduled for hearing
- **2026-02-23** State Affairs Motion to amend , Passed, Amendment 1257D `amendment-introduction, amendment-passage`
- **2026-02-23** State Affairs Do Pass Amended , Passed, YEAS 10, NAYS 2
- **2026-02-24** House of Representatives Do Pass Amended , Passed, YEAS 60, NAYS 6 H.J. 426
- **2026-02-25** First read in Senate and referred to Senate State Affairs S.J. 398 `introduction, reading-1, referral-committee`
- **2026-03-02** Scheduled for hearing
- **2026-03-02** State Affairs Do Pass , Passed, YEAS 8, NAYS 1 S.J. 37 `committee-passage`
- **2026-03-03** Senate Do Pass Amended , Passed, YEAS 31, NAYS 2 S.J. 447
- **2026-03-04** Signed by the Speaker H.J. 516 `passage`
- **2026-03-05** Signed by the President S.J. 486 `passage`
- **2026-03-09** Delivered to the Governor on 2026-03-09 H.J. 534 `executive-receipt`
- **2026-03-30** Signed by the Governor on 2026-03-30 H.J. 579 `executive-signature, executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/cb465cc5-afe1-44ec-a8d6-672f85768de2`. Confidence: reported (aggregated from official South Dakota legislature records).