Pubertal Sex Steroid Changes
Lifespan Endocrinology and Energy Deficiency in Sport
Pubertal Sex Steroid Changes
Increasing gonadal sex steroids contribute to reproductive maturation, secondary sexual characteristics and changes in bone and body composition.
Development changes the reference
Hormonal patterns vary with gestation, childhood, puberty, adulthood and aging. Appropriate interpretation considers developmental stage and physiological context. A value typical of one stage can be inappropriate in another, without implying that higher hormone concentrations are always preferable.
A distinction that matters
Estradiol supports epiphyseal maturation in both sexes, including through aromatization of testosterone.
Energy and reproductive function
Sustained low energy availability can alter metabolic and reproductive regulation. Symptoms and endocrine findings require assessment of other causes as well. Restoring adequate availability is central when deficiency is contributing, but the recovery time course differs among individuals and tissues.
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