A.3-6個(gè)月減重5~10% B.3-6個(gè)月減重2~5% C.6-12月減重10~15% D.6-12月減重5~10%
A.50%~65% B.<45% C.45%~55% D.65~75%
A.20%~30% B.15~20% C.<20% D.>30%