The chemical reactions and pathways resulting in the formation of estrogens, C18 steroid hormones that can stimulate the development of female sexual characteristics. Also found in plants.
estrogen catabolic process
glucocorticoid biosynthetic process +
juvenile hormone biosynthetic process +
melatonin biosynthetic process
mineralocorticoid biosynthetic process +
negative regulation of hormone biosynthetic process +
pheromone biosynthetic process
positive regulation of hormone biosynthetic process +