Longitudinal Growth and Body Composition of Twins versus Singletons in the First Month of Life
Table 1
Growth and body composition of twins versus matched singletons.
Twins ()
Singletons ()
Gestational age at birth (weeks)
36.9 (1.5)
37.1 (1.4)
Birth weight (g)
2440 (360)
2450 (370)
Birth weight -score
−1.30 (0.66)
−1.32 (0.77)
Boys/girls
23/13
23/13
DOL 1
BM (g)
2360 (360)
2380 (350)
% FM
5.85 (3.41)
4.97 (2.73)
FM (g)
140 (90)
120 (70)
FFM (g)
2230 (330)
2270 (320)
Length (cm)
46.6 (1.9)
45.9 (2.2)
HC (cm)
32.3 (0.9)
32.2 (1.2)
DOL 15
BM (g)
2690 (350)*
2850 (400)*
% FM
9.74 (3.92)
10.01 (4.56)
FM (g)
270 (120)
290 (160)
FFM (g)
2430 (290)
2510 (320)
Length (cm)
48.6 (2.6)
48.7 (3.1)
HC (cm)
33.9 (0.9)
34.0 (1.6)
EBF
7*
22*
PBF
22*
7*
EF
7
5
DOL 30
BM (g)
3400 (380)
3460 (490)
% FM
15.86 (3.64)
16.74 (4.28)
FM (g)
540 (140)
590 (200)
FFM (g)
2860 (340)
2870 (370)
Length (cm)
51.0 (2.0)
51.3 (2.5)
HC (cm)
35.7 (1.0)
35.3 (1.6)
EBF
3*
26*
PBF
24*
6*
EF
9
4
Data are reported as mean (SD) or number of infants. BM: body mass. FM: fat mass. FFM: fat-free mass. HC: head circumference. DOL: day of life. EBF: exclusive breastfeeding. PBF: partial or predominant breastfeeding. EF: exclusive formula feeding. *.
