Population-Based Placental Weight Ratio Distributions

Table 1

Placenta weight ratio distributions for SGA, AGA, and LGA infants based upon the inclusive of regional referrals standards.

Inclusive of regional referrals standards	Expected %	Males			Females
		SGA	AGA	LGA	SGA	AGA	LGA
>90th	10%	13.18%	9.74%	9.82%	11.68%	9.66%	11.69%
10–90th	80%	74.42%	80.22%	81.64%	77.56%	80.22%	80.14%
<10th	10%	12.10%	10.04%	8.53%	10.76%	10.12%	8.16%