title: Sequential hormonal changes and activation of the hypothalamic-pituitary-gonadal axis.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000735:Androstenedione / Q000097:blood; D002648:Child; D002675:Child, Preschool; D006063:Chorionic Gonadotropin; D003687:Dehydroepiandrosterone / Q000097:blood; D004958:Estradiol / Q000097:blood; D005260:Female; D005312:Fetal Blood / Q000032:analysis; D012739:Gonadal Steroid Hormones / Q000097:blood*; D006801:Humans; D006908:Hydroxyprogesterones / Q000097:blood; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology*; D007223:Infant; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D010053:Ovary / Q000502:physiology*; D011247:Pregnancy; D011388:Prolactin / Q000097:blood; D012737:Sex Factors; D013737:Testis / Q000502:physiology*; D013739:Testosterone / Q000097:blood
chemical_list: D006063:Chorionic Gonadotropin; D012739:Gonadal Steroid Hormones; D006908:Hydroxyprogesterones; D013739:Testosterone; D000735:Androstenedione; D003687:Dehydroepiandrosterone; D004958:Estradiol; D011388:Prolactin; D007986:Luteinizing Hormone