Table 2
Birthweight centiles of live births at 20, 21, 22, or 23 weeks gestation
Birth weight (g)
20
21
22
23
Eight live born infants did not have birth weight recorded.
98th centile
431
558
665
730
50th centile
323
400
490
580
2nd centile
228
228
358
375
n=283
20
36
80
160