The main aims of the study were: (1) to reveal age patterns female sex hormone levels (17-β-estradiol, progesterone), quantitative ultrasound parameters (broadband attenuation, speed sound) and body composition components (fat-free mass, lean muscle bone mineral content, fat mass visceral area) in women aged 7 80 years; (2) define normal ranges for IBL 17-β-estradiol progesterone kits girls und...