Defining severe maternal morbidity-When is it time to stop?

Abstract readComment

In one paragraph

Article in Paediatric and perinatal epidemiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it

0cells of the map it votes in

5citing papers in PubMed

–field-weighted citation impact

1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

5 citing papers in PubMed.

Measuring Severe Maternal Morbidity: Current Practices, Challenges, and Opportunities.Obstetrics and gynecology · 2026
Review
Severe maternal morbidity in the high income setting: a systematic review of composite definitions.EClinicalMedicine · 2025
Article
Severe Maternal Morbidity: A Comparison of Definitions and Data Sources.American journal of epidemiology · 2021
Article
Ways Forward in Preventing Severe Maternal Morbidity and Maternal Health Inequities: Conceptual Frameworks, Definitions, and Data, from a Population Health Perspective.Women's health issues : official publication of the Jacobs Institute of Women's Health
Article
Markers of Maternal Morbidity: Research Recommendations for Severe Perineal Lacerations, Severe Maternal Morbidity, and Other Complications.Women's health issues : official publication of the Jacobs Institute of Women's Health
Article

4 · The record

Corrections and comments

Comment on
Severe maternal morbidity surveillance: Monitoring pregnant women at high risk for prolonged hospitalisation and death.2020
Comment on
Monitoring severe acute maternal morbidity across Europe: A feasibility study.2020
Comment on
Validation of criteria to identify severe maternal morbidity.2020

5 · Who and what money

Authors and funding

1 author.

Marian KnightNational Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, UK.ORCID 0000-0002-1984-4575

Funding

Department of Health NIHR201333

6 · The paper itself

Abstract

PubMed holds no abstract for this paper.

Indexed as

Pregnancy ComplicationsFemaleHospitalizationHumansPregnancySeverity of Illness Index

Identifiers

PMID32291770

DOI10.1111/ppe.12675

What OpenQuestion holds

Textmetadata

Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.