2020 pointers from the American Higher education of Medical professionals assist the discussion of testosterone treatment method in Grownup Adult men with age-similar low levels of testosterone who have sexual dysfunction. They advocate yearly evaluation concerning feasible improvement and, if none, to discontinue testosterone; medical professionals should contemplate intramuscular treatment plans, rather then transdermal treatment plans, as a consequence of prices and Considering that the performance and harm of either approach is similar.

The very first interval happens among 4 and six weeks from the gestation. Illustrations include things like genital virilisation for instance midline fusion, phallic urethra, scrotal thinning and rugation, and phallic enlargement; Even though the part of testosterone is way more compact than that of dihydrotestosterone. There exists also enhancement on the prostate gland and seminal vesicles.[citation necessary]

Testosterone has several key steps. It provides detrimental suggestions inhibition to the secretion of gonadotropin-releasing hormone within the hypothalamus plus the secretion of luteinizing hormone with the pituitary gland. Additionally, it directs the development with the embryonic Wolffian ducts into your vas deferens (ductus deferens) and seminal vesicles and stimulates the formation of muscle and bone.

由於睪酮能提升體能，一些運動員為保持體育狀態或表現，會於賽前使用睪酮。男運動員在賽前數小時，可以將睪酮注射陰囊內，激化身體的狀態。但現時大部份的體育項目都已把睪酮定為禁藥。

Testosterone ranges in Grownups assigned male at birth (AMAB) naturally decline since they age. Nevertheless, adults AMAB can expertise even reduced testosterone stages, which may lead to the next:

Excess testosterone in youngsters assigned male at birth may lead to precocious (early) puberty, that's when puberty begins ahead of the age of nine.

阴茎根（阴茎脚 · 阴茎球 · 襻状韧带 · 悬韧带） · 阴茎体（阴茎海绵体 · 尿道海绵体） · 龟头（包皮 · 包皮系带 · 冠状沟） · 筋膜（阴茎皮下组织 · 布克氏筋膜） · 白膜 · 隔片）

利用睾酮的男性化作用，跨性别男性（即由女性经由变性成为男性）会以睾酮作为替代，以维持至一般正常男性的睾酮水平。同样地，跨性别女性会使用药物抑制睾酮的生成，以让雌激素发挥效用。

Whenever they’re consistently substantial or small, you could working experience unpleasant signs worthy of speaking about together with your supplier. Solutions are offered that may aid.

成年男子不論服用或施打多少睪酮都無法再次促使陰莖的成長與發育（相反的，錯誤的使用激素，將可能造成體內原生激素紊亂，將無法自行生成使睪丸及陰莖萎縮，衍生出其他生殖系統疾病）

由于睾酮能提升体能，一些运动员为保持体育状态或表现，会于赛前使用睾酮。男运动员在赛前数小时，可以将睾酮注射阴囊内，激化身体的状态。但现时大部分的体育项目都已把睾酮定为禁药。

尿道内口 · 尿道（攝護腺部 · 中部 · 海绵体部） · 舟状窝 · 尿道外口 · 莫尔加尼尿道陷窝 · 尿道腺

Falling in adore continues to be joined with decreases in Males's testosterone ranges while blended improvements are reported for Girls's testosterone amounts.[81][eighty two] There's been speculation that these changes in testosterone bring about the momentary reduction of variances in behavior concerning the sexes.

The bones and also the brain are two critical tissues in individuals where by the main result of testosterone is Through aromatization to estradiol. In the bones, estradiol accelerates %50 off now ossification of cartilage into bone, leading to closure from the epiphyses and conclusion of expansion. During the central anxious procedure, testosterone is aromatized to estradiol.