Determination of Vaginal Colonization and the Effect of an Oral Probiotic (PROSALVAG)

Inclusion Criteria: * Aged: 35-43 years old * Vaginal pH \> 4,5 and low Lactobacillus count or Nugent score of 4-6 * With interest in getting pregnant and ideally in IVF waiting list * History of recurrent genitourinary infections Exclusion Criteria: * Any pathology that interferes with the study * Current intake of food supplements or probiotics * Current intake of contraceptives * Use of oral or vaginal probiotics in the last 6 months * Hypersensitivity to any of the components of the studied product * Current vaginal infection * Pregnant women * Breastfeeding * Use of intrauterine device * Use of spermicide * Use of cervical caps as hormonal therapy