# CHAP primary results, NEJM 2022

Publication · id `maternal:pub-chap-nejm-2022` · Maternal & Newborn Atlas · release `15708f235d73cd42` (public)

> General information from published sources, not medical advice, and not reviewed by clinicians. Check the cited source before relying on anything here.

The atlas's own text and curation may be reused under Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/): credit the atlas, and do not use it commercially. See the atlas About page. Text quoted from a source stays under that source's own terms, given as the source's reuse\_basis. The atlas's reuse terms do not cover it. The downloads list each quotation with its source in third\_party\_quotations.

Browse, life stage: Pregnancy  

## In plain language

The main report of the CHAP trial, published in 2022, on treating mild chronic hypertension during pregnancy.

## Technical summary

Tita AT and the Chronic Hypertension and Pregnancy (CHAP) Trial Consortium. N Engl J Med 2022;386(19):1781-1792. doi:10.1056/NEJMoa2201295. PMID 35363951; PMC9575330. PubMed lists comment items and no erratum.

## Connected pages

- Published in: The New England Journal of Medicine (`core:nejm`)
- Reports results of: CHAP (Chronic Hypertension and Pregnancy) trial (`maternal:chap-trial`)

## Provenance

Content hash: 9bb0a8f30fb683f4511ca77fa1bc1c1b4778efc5d2dbc14d4971480182759e66
Last substantive edit: 2026-10-11
Evidence last checked: Not recorded