TRT	Testosterone replacement therapy
HPG	Hypothalamic-pituitary-gonadal
GnRH	Gonadotropin releasing hormone
LH	Luteinizing hormone
FSH	Follicle-stimulating hormone
CHH	Congenital hypogonadotropic hypogonadism
EMAS	European Male Aging Study
hCG	Human chorionic gonadotropin
hMG	Human menopausal gonadotropin
SERMs	Selective estrogen receptor modulators
ADAM	Androgen deficiency in males
RCT	Randomized controlled trial
VTE	Venous thromboembolism
AIs	Aromatase inhibitors