Table 1.

Demographics of preterm-delivering mother-infant pairs sampled for milk and gastric contents^a

	Preterm-delivering mother-infant pairs
GA, weeks	26 ± 3 (23–32)
Postnatal age, days	48 ± 27 (7–98)
Postmenstrual age, weeks	33 ± 2 (28–37)
Body weight at birth, kg	0.9 ± 0.4 (0.5–1.6)
Body weight at sampling, kg	1.7 ± 0.4 (0.9–1.7)
Feed volume, mL	14 ± 11 (4 ± 40)
Meal frequency	8 times per day (3 hours intervals)
Infant sex	10 females, 1 male
Infant delivery mode	5 vaginal, 6 caesarian
Mother’s age, years	35 ± 3 (32–39)

^aAll values are mean ± SD (range), n = 11 for number of paired milk and gastric contents after 1, 2 and 3 h postprandial from preterm infants. GA, gestational age.