gonadarche

== English == === Etymology === From gonad +‎ -arche. === Noun === gonadarche (uncountable) The earliest gonadal changes of puberty, when (in response to pituitary gonadotropins), the ovaries in girls and the testes in boys begin to grow and increase the production of the sex steroids, especially estradiol and testosterone. ==== Related terms ==== menarche spermarche thelarche