Document Detail

Feeding upon awakening in breastfeeding and bottlefeeding mothers does not affect the awakening cortisol response.
MedLine Citation:
PMID:  16236625     Owner:  NLM     Status:  MEDLINE    
An acute breastfeeding stimulus is generally followed by a transient decrease in cortisol levels in mothers. It is currently not clear whether breastfeeding upon waking up would affect the awakening cortisol response (ACR), a significant increase in salivary cortisol levels occurring within 30-45 min after awakening. In the present study, we measured the amplitude and stability of the ACR in response to infant feeding in women who were exclusively bottle-feeding (n = 16), or breastfeeding (n = 13) or feeding their child solid food (n = 12). The results show that the type of infant feeding did not affect the amplitude and stability of the ACR. Given that the ACR has been reported to reflect physical and psychological well-being, our finding that infant feeding upon waking up might not be a confounding factor in ACR studies on the postpartum population represents valuable methodological information.
Mai Thanh Tu; Claire-Dominique Walker; Sonia J Lupien
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Stress (Amsterdam, Netherlands)     Volume:  8     ISSN:  1025-3890     ISO Abbreviation:  Stress     Publication Date:  2005 Sep 
Date Detail:
Created Date:  2005-10-20     Completed Date:  2005-12-16     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9617529     Medline TA:  Stress     Country:  England    
Other Details:
Languages:  eng     Pagination:  213-6     Citation Subset:  IM    
McGill University, Department of Neurology and Neurosurgery, Douglas Hospital Research Center, Montreal, Canada, H4H 1R3.
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MeSH Terms
Adrenal Cortex / physiology
Arousal / physiology*
Bottle Feeding*
Breast Feeding*
Estradiol / analysis
Hydrocortisone / secretion*
Saliva / chemistry
Wakefulness / physiology
Reg. No./Substance:
50-23-7/Hydrocortisone; 50-28-2/Estradiol

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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