Association of lactoferrin and at least one probiotic for the treatment of vaginal and cervical-vaginal infections of the bacterial, viral, and mycotic type and in particular for the treatment of the aforementioned infections that can induce preterm birth and/or premature breaking of the membranes, as well as relative formulations suitable for vaginal administration, which contain the aforementioned association in combination with suitable excipients and/or diluents.