Before revision: Physiology Puberty Menarche is the culmination of a series of physiological and anatomic processes of puberty: Attainment of a sufficient body mass (typically 17%DIF < body fat).
After revision: Physiology Puberty Menarche is the culmination of a series of physiological and anatomic processes of puberty: Attainment of a sufficient body fat percentage (typically around 17%DIF < body fat).