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Published on: October 19, 2011
Off-time Pubertal Timing Predicts Physiological Reactivity to Post-puberty Interpersonal Stress
Anne Emilie Smith1, Sally I Powers
1Yale University School of Medicine, Department of Psychiatry, 1 Long Wharf, Suite 102, New Haven, CT 06520.
Summary
Early pubertal development in women is linked to stress reactivity during relationship conflicts. Later development shows different stress patterns, impacting long-term well-being.
Area of Science:
- Endocrinology
- Psychology
- Developmental Science
Background:
- Pubertal timing influences neuroendocrine development and stress regulation.
- Interpersonal relationships and stress impact hypothalamic-pituitary-adrenal (HPA) axis function.
- Off-time pubertal development may alter long-term adaptation and health trajectories.
Purpose of the Study:
- To examine the relationship between pubertal timing, interpersonal conflict, and HPA axis reactivity in young adult women.
- To investigate how early versus late pubertal development moderates stress responses during relationship conflict.
Main Methods:
- 110 young adult women provided salivary cortisol samples before and after a conflict discussion with their romantic partner.
- Participants rated their discussions on conflict and support.
- Retrospective assessment of pubertal development timing was conducted.
Main Results:
- Earlier developing women showed greater stress anticipation and reduced recovery with higher conflict.
- Later developing women exhibited heightened stress with low conflict.
- Subjective conflict and support ratings correlated with physiological stress responses.
Conclusions:
- Pubertal timing significantly moderates the association between interpersonal stress and HPA axis reactivity.
- Off-time pubertal development may influence the trajectory of stress regulation and mental health in women.
- These findings highlight the importance of considering developmental timing in understanding adult stress responses.
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