Evidence map›Paper›PMID 39008822›Full record

SynthesisNutrition reviews2025

The Effect of the Menstrual Cycle on Energy Intake: A Systematic Review and Meta-analysis.

Jessica A L Tucker, Seth F McCarthy, Derek P D Bornath, Jenna S Khoja, Tom J Hazell

Abstract readSystematic ReviewMeta-Analysis
In one paragraph

Synthesis in Nutrition reviews, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing 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

17 citing papers in PubMed.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Jessica A L TuckerDepartment of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, ON N2L 3C5, Canada.
Seth F McCarthyDepartment of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, ON N2L 3C5, Canada.
Derek P D BornathDepartment of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, ON N2L 3C5, Canada.
Jenna S KhojaDepartment of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, ON N2L 3C5, Canada.
Tom J HazellDepartment of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, ON N2L 3C5, Canada.ORCID 0000-0002-8135-4518

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

contextEnergy intake may differ across the menstrual cycle, with some studies identifying greater energy intake in the luteal phase (LP) compared with the follicular phase (FP) and others finding no clear differences. To date, no study has systematically synthesized the available data to draw more definite conclusions while considering any methodological inconsistencies between studies.

objectiveThe aim was to conduct a systematic review/meta-analysis in an effort to determine if there are differences in energy intake between the FP and LP. DATA SOURCES: A systematic search strategy was developed and the search was conducted in 5 databases for studies that investigated any changes in energy intake across menstrual phases. DATA EXTRACTION: Using Covidence, studies were identified and included if they contained individuals between the ages of 18 and 45 years, maintained an average body mass index (BMI) of 18.5-25 kg/m2, had no history of disordered eating, and included energy intake and menstrual cycle measurements in the FP and LP. DATA ANALYSIS: Effect sizes were calculated for each study and a random-effects model was used to pool the results of each study.

resultsFifteen datasets were included consisting of 330 female participants with a mean age of 26 ± 4 years and mean BMI of 22.4 ± 2.3 kg/m2. Overall, there was a statistically significant difference (standardized mean difference = 0.69; P = .039) with increased energy intake in the LP compared with the FP (crude 168 kcal⋅d-1 average difference between phases).

conclusionEnergy intake was found to be greater in the LP compared with the FP, providing insight into the effect of the menstrual cycle on energy intake. However, there were repeated methodological inconsistencies and future work should strive to utilize best practices for both energy intake measurement and menstrual phase specification.

Indexed as

Energy IntakeMenstrual CycleAdolescentAdultBody Mass IndexFemaleFollicular PhaseHumansLuteal PhaseMiddle AgedYoung Adultenergy balanceestrogenfood intakeovarian hormonesprogesterone

Identifiers

PMID39008822
PMCPMC11819481

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Registered trials

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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.