Longitudinal Follow-up of Preterm Breastfeeding to 12 Weeks Corrected Gestational Age
Sharon L Perrella1, Kathryn Nancarrow, Alethea Rea
1School of Molecular Sciences, Faculty of Science, The University of Western Australia, Crawley, Australia (Dr Perrella and Prof Geddes); Neonatology Clinical Care Unit, King Edward Memorial Hospital, Subiaco, Australia (Ms Nancarrow and Prof Simmer); Mathematics and Statistics, Murdoch University, Murdoch, Australia (Dr Rea); School of Population and Global Health, Faculty of Health and Medical Sciences, The University of Western Australia, Crawley, Australia (Dr Murray); and Centre for Neonatal Research and Education, School of Paediatrics and Child Health, Faculty of Health and Medical Sciences, The University of Western Australia, Crawley, Australia (Prof Simmer).
Background:
Preterm infants have shorter breastfeeding duration than that of term infants. Details of postdischarge feeding methods and difficulties are needed to inform the care of preterm breastfeeding dyads.
Purpose:
To describe postdischarge breastfeeding characteristics of mother-preterm infant dyads up to 12 weeks corrected gestational age (CGA).
Methods:
A prospective observational study of preterm dyads (birth 24-33 weeks' gestation) that fed their mother's own milk (MOM) at discharge from a neonatal unit in Perth, Western Australia. Feeding method and frequency, breastfeeding duration, difficulties, and nipple shield use were recorded at 2, 6, and 12 weeks CGA.
Results:
Data were obtained for 49 mothers (singleton infant n = 39, twins n = 10). At 12 weeks CGA, 59% fed any MOM with 47% exclusively fed MOM and 31% fully breastfed. Nipple shield use reduced from 42% at 2 weeks CGA to 11% at 12 weeks CGA. Compared with mothers who exclusively fed MOM at discharge (n = 41) those who fed both MOM and infant formula (n = 8) were more likely to wean before 12 weeks CGA ( P < .001). Weaning occurred before 2 weeks CGA in 12/19 (63%), with low milk supply the most frequently cited reason.
Implications For Practice:
Most mothers with a full milk supply at discharge successfully transition to predominant breastfeeding. Frequent milk removal needs to be prioritized throughout the preterm infant's hospital stay.
Implications For Research:
Examination of facilitators and barriers to early and continued frequent milk removal across the postpartum period is required to identify strategies to optimize lactation after preterm birth.
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