Characteristic

AGA fetus

SGA fetus

Significance

Mean maternal age in years (SD)

28.7 (4.2)

23.5 (2.5)

0.018

Gestational age at scan (Weeks)

35.8 (3.2)

36.1 (2.0)

0.75

Gestational age at delivery (Weeks)

39.1 (1.3)

37.8 (1.6)

<0.005

Birth weight (g)

3072 (535)

1943 (328)

<0.0005

Duration of study (min)

14.6 (3.3)

13.7 (5.0)

0.57

Number of recordings

34 (4)

29 (8.5)

0.028