Core Outcome Measures in Effectiveness Trials

Core outcome set for research on maternal nutrition during pregnancy

General Information

Maternal nutrition during pregnancy is an important and vast area of research and nutritional status during pregnancy is associated with the health of both mother and offspring in the short and long term. Variability in outcome reporting between studies which evaluate maternal nutrition during pregnancy however, limits their comparability and prevents high-quality evidence generation. Therefore, the objective of this study is to develop a Core Outcome Set (COS) for research on maternal nutrition during pregnancy.

Fionnuala McAuliffe (Principal Investigator)
Sarah Louise Killeen
Eileen O'Brien
Aisling Geraghty

Further Study Information

Current Stage:
January 2019 - January 2020
Funding source(s):

Health Area

Disease Category
Pregnancy & childbirth

Disease Name

Target Population

Age Range


Nature / type of Intervention
Diet and nutrition


Consensus meeting
Delphi process
Systematic review

A systematic review will be conducted and outcomes related to nutrition will be extracted and catalogued from eligible studies. A multi-stage, electronic Delphi survey with relevant stakeholders including researchers, healthcare professionals and patients will be conducted to refine the outcome set. There will be a minimum of two rounds of questionnaires however further rounds will be conducted until either a consensus is reached or there is stability in responses. We will hold a steering group meeting to reach consensus on the final COS.

Stakeholders Involved

Clinical experts
Consumers (patients)

Study Type

COS for clinical trials or clinical research
COS for practice

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