FIELD: medicine.SUBSTANCE: method for prediction of the risk of breast cancer development in a female individual that does not suffer from breast cancer, includes: determination of the level of pro-neurotensin 1-117 with amino acid sequence represented on SEQ ID No. 5, or its fragments from at least 5 amino acids or peptides containing this pro-neurotensin 1-117, obtained from the biological fluid of the specified female individual, selected from the group consisting of blood, serum, plasma, urine, cerebrospinal fluid and saliva, where pro-neurotensin 1-117 level is determined on an empty stomach; and correlation of the specified level of pro-neurotensin 1-117 or its fragments, or peptides containing pro-neurotensin 1-117, with the risk of breast cancer development, where an elevated level is prognostic for the increased risk of breast cancer.EFFECT: method allows to effectively predict the risk of breast cancer development in a female individual.14 cl, 2 dwg, 10 tbl, 5 ex
