Given That There Is No Common Standard for Maximum Blood-Collection

Given that there is no common standard for maximum blood-collection volume for newborns, which of the following is an appropriate guideline for newborns under 7 kg of body weight?

A) Single collections should be under 0.1 mL/kg body weight.
B) Single collections should be under 1.0 mL/kg body weight.
C) Single collections should be under 5.0 mL/kg body weight.
D) Single collections should be under 10.0 mL/kg body weight.