Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Manuscript publication process of the <i>Journal of Exercise Rehabilitation</i>.

Journal of exercise rehabilitation·2026
Same author

Association of Dietary Acid Load with Metabolic Syndrome-Related Parameters Following Eating Habit Modification in Korean Adults.

Nutrients·2026
Same author

3-Dimensional reconstruction reveals frequent intraluminal growth of submucosal veins in surgically resected pT1 colorectal cancers.

Journal of pathology and translational medicine·2026
Same author

Short-Term Consumption of Low-Molecular Weight Polyphenols (Oligonol) Is Associated with Improved Post-Exercise Recovery in Healthy Young Men: A Randomized Single-Blind Crossover Study.

Antioxidants (Basel, Switzerland)·2026
Same author

Natural Killer Cell Dysregulation During ALS Disease Progression: A Gene Expression Analysis.

Neurology open access·2026
Same author

Clinical and microbial correlates of response to lifestyle intervention in pediatric metabolic dysfunction-associated steatotic liver disease.

Gut pathogens·2026

Related Experiment Video

Updated: Sep 30, 2025

Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction
16:23

Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction

Published on: February 26, 2014

14.5K

Mealtime shift delays conception in mice.

Jihyun Park1, Mi-Hee Kim1, Dong-Hee Han1

  • 1Department of Neuroscience, Graduate school, Kyung Hee University, Seoul, Korea.

Reproduction (Cambridge, England)
|March 14, 2022
PubMed
Summary

Shift work disrupts circadian rhythms, impacting reproductive health. A 12-hour mealtime shift in mice delayed conception by disrupting the female estrous cycle, highlighting risks for shift workers.

More Related Videos

Manipulation of Rhythmic Food Intake in Mice Using a Custom-Made Feeding System
07:34

Manipulation of Rhythmic Food Intake in Mice Using a Custom-Made Feeding System

Published on: December 16, 2022

2.4K
Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats
06:38

Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats

Published on: October 13, 2018

15.8K

Related Experiment Videos

Last Updated: Sep 30, 2025

Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction
16:23

Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction

Published on: February 26, 2014

14.5K
Manipulation of Rhythmic Food Intake in Mice Using a Custom-Made Feeding System
07:34

Manipulation of Rhythmic Food Intake in Mice Using a Custom-Made Feeding System

Published on: December 16, 2022

2.4K
Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats
06:38

Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats

Published on: October 13, 2018

15.8K

Area of Science:

  • Chronobiology
  • Reproductive Biology
  • Physiology

Background:

  • Circadian clocks regulate physiological processes, but modern shift work disrupts these rhythms.
  • Shift work is linked to adverse reproductive outcomes, including spontaneous abortions and irregular menstrual cycles in women.

Purpose of the Study:

  • To investigate the impact of dietary time shifts on reproductive function in mice, mimicking night-shift worker conditions.
  • To determine if circadian rhythm disturbances affect fertility indices, estrous cycles, and reproductive phenotypes.

Main Methods:

  • Mice were divided into free feeding, daytime feeding, and night feeding groups based on restricted feeding schedules.
  • Fertility indices were evaluated, and activity monitoring was used to assess pregnancy delays.
  • Estrous cycles in females and reproductive phenotypes in males were examined.

Main Results:

  • A 12-hour mealtime shift significantly delayed successful conception in adult female mice.
  • The delayed conception was associated with disruptions in the estrous cycle.
  • No specific mention of male reproductive phenotype results in the provided abstract.

Conclusions:

  • Circadian rhythm disturbances induced by dietary time shifts negatively impact female reproductive function.
  • Disruption of the estrous cycle is a key factor contributing to delayed conception in shift-working models.
  • Findings suggest potential reproductive health risks for individuals with altered meal timing due to shift work.