Morbidity and mortality in late preterm and early term newborns: A continuum. Psychological distress and early lactation performance in mothers of late preterm infants. Zanardo V., Gambina I., Begley C., Litta P., Cosmi E., Giustardi A., Trevisanuto D. Wang M.L., Dorer D.J., Fleming M.P., Catlin E.A. Changes in the gestational age distribution among US singleton births: Impact on rates of late preterm birth, 1992 to 2002. Further investigation of other potential biological and behavioral mediators is warranted.īreast milk composition breastfeeding early term growth late preterm maternal stress parent-offspring signaling preterm relaxation.ĭavidoff M.J., Dias T., Damus K., Russell R., Bettegowda V.R., Dolan S., Schwarz R.H., Green N.S., Petrini J. A simple relaxation intervention during breastfeeding could be beneficial in promoting growth of late preterm and early term infants. RG mothers had greater reduction in cortisol (effect size: -0.08 ug/dL, 95% CI -0.15, -0.01 p = 0.03) and better maternal verbal learning score (effect size: 1.1 words, 95% CI 0.04, 2.1 p = 0.04) than CG mothers, but did not differ in stress scores. Infants in the RG had significantly higher change in weight-for-age Z-score compared to those in CG (effect size: 0.4 95% CI: 0.09, 0.71 p = 0.01), and shorter crying duration. Secondary outcomes included infant length, infant behavior, maternal verbal memory, salivary cortisol, and breast milk composition. ![]() ![]() Primary outcomes-maternal stress and infant weight-were assessed at 2-3 (baseline) and 6-8 weeks post-delivery. Breastfeeding mothers of late preterm (34 0/7-36 6/7 weeks) and early term (37 0/7-38 6/7 weeks) infants were randomized to the relaxation group (RG, n = 35), where they were asked to listen to a meditation recording while breastfeeding from 3 weeks post-delivery, or the control group (CG, n = 37) where no intervention was given. This study tested this by examining the effects of a relaxation intervention in an understudied infant population. ![]() Breastfeeding involves signaling between mother and offspring through biological (breast milk) and behavioral pathways.
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