用genital organ造句子，“genital organ”造句

"Occurring at about age 12 in girls and age 14 in Boys, puberty is characterized by the maturing of the genital organs, development of secondary sex characteristics, and, in girls, onset of menstruation."

Of or relating to the third stage of psychosexual development in psycholanalytic theory during which the genital organs first become the focus of sexual feeling.