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Archivos de Pediatría del Uruguay

versão impressa ISSN 0004-0584versão On-line ISSN 1688-1249


MELIANTE, Paula; LICIO, Natalia; OLIVO, Silvana  e  PERNA, Abayubá. Relationship between musical stimulation and milk production in mothers with newborns younger than 34 weeks old in an intensive care center. A music therapy experience in Uruguay. Arch. Pediatr. Urug. [online]. 2023, vol.94, n.2, e217.  Epub 01-Dez-2023. ISSN 0004-0584.


the relationship between breast milk production and music has been previously reported in several peer reviewed journals. There are no studies in Uruguay analyzing this relationship. The present study was performed by the CEDIIAP University Institute jointly with the ORT University, at the Pereira Rossell Hospital Human Milk Bank (CHPR) of the Administration of State Health Services (ASSE) in Montevideo. It has been approved by the CHPR’s Ethics Committee.


demonstrate the influence of musical stimulation on milk production of mothers with preterm newborns admitted in the CHPR Neonatology Intensive Care Unit.

Material and Methods:

longitudinal, prospective experimental study with double design: intervention before, simultaneous (one group against the other) and after the study. We used the music therapy technique of listening to songs chosen by the mothers and modified gait. Milk volume was quan- tified, and cortisol presence was analyzed in saliva. The General Linear Model of repetitive measures was applied. Inclusion criteria: cohort of mothers of newborns ≤ 34 weeks of gestation, without direct breastfeeding, psychiatric medication or affecting milk production. Saliva cortisol levels and milk volume were analyzed. As a final multivariate analysis, the General Linear Model of repetitive measures was applied.


the study was carried out from March 2017 till August 2018 with a total of 31 mothers (15 intervention, 16 control). Higher milk production in the first two days and a decrease of 57% in cortisol levels were observed in the intervention group compared to the control group.


in spite of the limitations of this paper, our results suggest that music therapy can help to reduce the stress and increase the enjoyment of breastfeeding and consequently generate a higher milk production.

Palavras-chave : Music therapy; Music; Breastfeeding.

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