Journal of Korean Academy of Nursing

Research Paper

The effects of a lifestyle intervention for men in infertile couples in South Korea: a non-randomized controlled trial: Yun Mi Kim, Ju-Hee Nho; J Korean Acad Nurs 2025;55(2):191-204. Published online April 16, 2025; DOI: https://doi.org/10.4040/jkan.24104

Purpose
This study aimed to evaluate the effects of an interaction model of client health behavior (IMCHB)-based lifestyle intervention on health-promoting behaviors, infertility stress, fertility-related quality of life, and semen quality in men in infertile couples.
Methods
This study used a quasi-experimental, non-equivalent control group, pretest-posttest design, with participants divided into an experimental group (n=17) and a control group (n=19). The 16-session, 8-week intervention included components such as reproductive health education, physical activity, nutritional management, and stress management. Data collection occurred between July 1, 2021 and September 27, 2022. The outcomes measured included health-promoting behaviors, infertility stress, fertility-related quality of life, and sperm quality (volume, total motility, immobility, concentration, and normal morphology).
Results
The experimental group showed significant improvements in health-promoting behaviors (z=–2.27, p=.023) and reductions in infertility stress (t=–2.40, p=.022) compared to the control group. Total sperm motility (F=4.39, p=.045) and normal morphology (z=2.86, p=.017) were also significantly higher in the experimental group than in the control group.
Conclusion
The IMCHB-based lifestyle intervention significantly increased health-promoting behaviors, reduced infertility stress, and improved key sperm parameters, indicating its effectiveness in supporting the reproductive health of men in infertile couples.

Citations

Citations to this article as recorded by

Psychological Stress and Male Infertility: Oxidative Stress as the Common Downstream Pathway
Aris Kaltsas, Stamatis Papaharitou, Fotios Dimitriadis, Michael Chrisofos, Nikolaos Sofikitis
Biomedicines.2026; 14(2): 259. CrossRef

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