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. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: Obstet Gynecol. 2008 Dec;112(6):1227–1234. doi: 10.1097/AOG.0b013e31818bdc7e

Table 3.

Gestational age, birthweight, placental weight, F/P ratio, neonatal length, head circumference, neonatal ponderal index (PI), body mass index (BMI) and brain body weight ratio (BBR) in AGA and IUGR (values are mean ± SD)

Gestational
age (weeks)
Birthweight
(grams)
Placental
weight
(grams)
F/P (n=43) Length
(cm)
Head
circumference
(cm)
Neonatal
PI
Neonatal
BMI
BBR
AGA N=79 32 ± 1.7 1876 ± 461 440 ± 93 4.6 ± 1.4 42.1 ± 3.9 29.9 ± 2.9 2.6 ± 0.9 10.7 ± 2.4 12.8 ± 3.5
IUGR 31 ± 1.8 1070 ± 338 213 ± 73 5.3 ± 2 37.3 ± 4.8 27.3 ± 3 2.1 ± 0.4 7.7 ± 1.5 18.4 ± 8.6
IUGRAGA N=25 31 ± 1.9 1253 ± 302 243 ± 70 5.6 ± 2.1 38.9 ±2.7 27.7 ± 2 2.2 ± 0.3 8.4 ± 1.2 15.1 ± 2.1
IUGRSGA N=28 31 ± 1.9 907 ± 284 183 ±65 5.1 ± 1.8 35.8 ± 5.7 26.9 ± 3.7 2 ± 0.5 7.1 ± 1.5 21.4 ± 11
AGA vs IUGR P<0.003 −3.72 P<0.0001 −9.55
P<0.001
3.55
P<0.001
−4.97
P<0.0001
−3.66
P<0.0001
−3.66
P<0.0001
−8.37
P<0.0001
4.46
P<0.0001
AGA vs IUGRAGA P<0.01 −7.73
P<0.0001
−7.31
P<0.0001
3.17
P<0.002
−2.24
P<0.03
−2.23
P<0.03
−2.43
P<0.02
−4.89
P<0.0001
1.31
P=0.2
AGA vs IUGRSGA P<0.003 −15.07
P<0.0001
−8.8
P<0.0001
2.64
P<0.01
−5.91
P<0.0001
−3.62
P<0.0001
−3.41
P<0.001
−9.02
P<0.0001
6.18
P<0.0001
IUGRAGA vs IUGRSGA P=0.8 32.3
P<0.0001
3.03
P<0.09
0.10
P=0.8
8.81
P<0.004
1.19
P=0.3
0.56
P=0.5
10.8
P<0.001
15.8
P<0.0001

P values are corrected for gestational age (ANCOVA)