preferred_name: Body weight more or less than 9.0 pounds (4100 g)^at birth
preferred_name_lc: body weight more or less than 9.0 pounds (4100 g)^at birth
label: Body weight more or less than 9.0 pounds (4100 g)^at birth
label_lc: body weight more or less than 9.0 pounds (4100 g)^at birth