3d image of estriol sulfate skeletal formula

estriol sulfate 3-sulfate conjugated metabolite estriol pregnancy liver urine rendering mother gynecology obstetrics woman motherhood birth fertility reproduction reproductive female sex hormone menopausal hormone therapy gynecological conditions hormonal replacement function endocrine endocrinology level prohormone metabolism biosynthesis mechanism pathway path catabolism biosynthetic intermediate biogenesis substrate synthesis derivative bioprecursor metabolic endogenous contractor