Association Between Different Feeding Methods and Bronchopulmonary Dysplasia in Preterm Infants: A Retrospective Cohort Study.

Breastfeed Med

Department of Neonatology, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, China.

Published: June 2025


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Article Abstract

This study examines the relationship between feeding methods during the first 2 weeks post-birth-mother's own milk (MOM), donor human milk (DHM), and formula-and the incidence of bronchopulmonary dysplasia (BPD) in preterm infants. A retrospective cohort study was conducted on preterm infants (<32 weeks gestation or <1,500 g birth weight) admitted to Fujian Maternal and Child Health Hospital from March 2023 to February 2024. Infants were grouped by primary feeding method within the first 2 weeks after birth, defined as MOM, DHM, or formula contributing to ≥50% of total feeding. The primary outcome was BPD incidence; the secondary outcome included necrotizing enterocolitis (NEC) stage II or higher, periventricular leukomalacia (PVL), retinopathy of prematurity (ROP), and sepsis. BPD incidence was lower in the MOM and DHM groups compared with formula (22%, 16% vs. 35%; = 0.03). Adjusted odds ratios for BPD were 3.35 (95% CI 1.43, 7.85) in the formula group versus MOM and 6.48 (95% CI 1.47, 28.57) versus DHM, with no significant difference between MOM and DHM. NEC incidence was also lower in MOM and DHM groups (7.15%, 9.38% vs. 20.21%; = 0.016). No significant differences were observed in ROP, PVL, or sepsis rates. MOM and DHM reduce the risk of BPD and NEC in preterm infants, with DHM being as safe as MOM.

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http://dx.doi.org/10.1089/bfm.2024.0399DOI Listing

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