Background
Edited by: Wulf Rössler, Charité University Medicine Berlin, GermanyReviewed by: Sagrario Gomez-Cantarino, University of Castilla La Mancha, SpainDuarte Miguel Henriques-Neto, University of Maia, PortugalAmid extensive pregnancy exercise research, the impact of High Intensity Interval Training (HIIT) on pregnant women’s mental health is underexplored. Despite exercise benefits, it can trigger stress responses like elevated cortisol. This study fills the gap by investigating correlations between hair cortisol levels, mental health, and HIIT effects in pregnant women.