Giraffe present unique contraception challenges as males persistently pursue females during estrus. Year‐round pursuit during frequent recurring estrus can pose significant risk under slippery conditions. Complete ovarian suppression is a useful tool in giraffe because it eliminates estrous behavior, interest from the male, and controls reproduction. Effective reproduction control in giraffes has been achieved with porcine zona pellucida, oral melengestrol acetate, and depot medroxy‐ progesterone acetate. However, these methods allow some degree of folliculogenesis and estrous behavior. Improvest® is a