11. Normally the hypothalamus releases a hormone called gonadotropin releasing hormone ( GnRH ). 12. Gonadotropin levels rise in response to gonadotropin-releasing hormone ( GnRH ).13. Gonadotropin levels rise in response to gonadotropin -releasing hormone ( GnRH ). 14. Gonadotropin secretion is low until the beginning of puberty.15. This family which kisspeptin includes prolactin releasing peptide and gonadotropin releasing inhibiting hormone. 16. The gonadotropins FSH will both be elevated and patients present with polycystic ovaries. 17. Antibodies raised against human chorionic gonadotropin are used in over the counter pregnancy tests. 18. Leptin is involved in reproduction by stimulating gonadotropin -releasing hormone from the hypothalamus. 19. The tumor is called a " chorionic gonadotropin secreting pineal tumor ". 20. Gonadotropin -releasing hormone ( GnRH ) generics.