When the energy expenditure expressed as kcal. kg-1.h~1, the difference of BMR is significantly at pre or post menarche. The BMR of pre-menarche is 8.3% higher than those of postmenarche.

• 月经来潮组与未来潮组BMR以kJ·kg~(-1)·h~(-1)表示时；差异有高度显著意义；未来潮组比已来潮组高8.；3%25。