Table 3.

Comparison of Key Birth Weight Cutoffs (g), Proposed New Reference Versus Four Previous References

ReferenceLGA
(90th Percentile)
at 30 Weeks
SGA
(10th Percentile)
at 42 Weeks
MaleFemaleMaleFemale
Proposed reference1837178332333114
Arbuckle et al201870180032003070
Williams et al162159211330862936
Zhang and Bowes122355*2288*2835*2735*
Alexander et al192710271029982884
  • * Average of values for primiparas and multiparas.

  • Sex-specific value not reported.