3.2. Growth
GROUP B
At the end of donor milk period, no difference was recorded between Group A and Group B in body weight z-score [−1.12 (0.87) vs. −1.28 (0.84); At discharge, body weight was significantly higher in Group A [mean (SD): 2560.7 (423.4) g] than in Group B [2411.8 (370.5) g; Body length z-score [−0.92 (1.39) vs. −0.97 (1.11); In the sensitivity analysis, after excluding infants from multiple pregnancies, the results of the study did not change.