FIELD: biotechnology. SUBSTANCE: lyophilizate based on peptide with 3-15 amino acid residues and, if necessary, with at least one structure-forming agent is prepared by dissolving 1 wt part of peptide Cetrorelix in 100 to 10000 wt parts of acetic acid followed by transferring resulting solution into water and lyophilization. Lyophilizate is effective in preparing drugs for treatment of women's sterility and sex gland protection. EFFECT: extended drug choice. 8 cl, 1 tbl
