<br>        Inclusion Criteria:<br><br>        To be enrolled, the following criteria have to be fulfilled:<br><br>          1. Woman aged = 18 years with stable menstrual cycle or postmenopausal women<br><br>          2. Newly diagnosed bacterial vaginosis based on Amsel criteria<br><br>          3. Complies with a standard oral antibiotic treatment with Metronidazol for 7 days, 2 x<br>             500mg/day)<br><br>          4. Willing to consume for 4 weeks the study product two times daily<br><br>          5. Willingness to abstain from food and supplements containing probiotics, prebiotics<br>             and other fermented products as well as dietary supplements<br><br>          6. Not in menses at the time of the first examination at the gynaecologist (G1)<br><br>          7. Written informed consent<br><br>        Exclusion Criteria:<br><br>          1. Subjects currently enrolled in another clinical study.<br><br>          2. Subjects having finished another clinical study within the last 4 weeks before<br>             inclusion.<br><br>          3. Infection caused by Chlamydia trachomatis<br><br>          4. Infection caused by Neisseria gonorrhoea<br><br>          5. Infection caused by Trichomonas vaginalis<br><br>          6. Infection caused by Candida albicans or other mycosis<br><br>          7. Leucocytes present in the vaginal smear<br><br>          8. PAP-testing = 3 (anamnestically)<br><br>          9. Vulvovaginal inflammation as macroscopically identified by the gynaecologist<br><br>         10. Dyspareunia<br><br>         11. Pregnancy and breastfeeding<br><br>         12. Chemically based contraceptives (e.g. suppositories, salves, foam, gel)<br><br>         13. Irregular cycles (e.g. polymenorrhoea, metrorrhagia)<br><br>         14. Dysuria<br><br>         15. Infection of the urinary tract<br><br>         16. Chronic or sporadic abdominal pain with exception of dysmenorrhoea<br><br>         17. Any ano-rectal infection, disease, surgery in the medical history or current<br><br>         18. Anus praeter<br><br>         19. Hypersensitivity, allergy or idiosyncratic reaction to metronidazole or any similar<br>             active substances.<br><br>         20. Hypersensitivity, allergy or idiosyncratic reaction to any component of the yoghurt<br>             (e.g. lactose intolerance, allergy against milk protein)<br><br>         21. Any disease or condition which might compromise significantly the hematopoietic,<br>             renal, endocrine, pulmonary, hepatic, gastrointestinal, cardiovascular,<br>             immunological, central nervous, dermatological or any other body system with the<br>             exception of the conditions defined by the inclusion criteria.<br><br>         22. History of hepatitis B and C<br><br>         23. History of HIV infection<br><br>         24. Regular medical treatment including OTC, which may have impact on the study aims<br>             (e.g. probiotics, antibiotic drugs, laxatives etc.)<br><br>         25. Major cognitive or psychiatric disorders<br><br>         26. Subjects who are scheduled to undergo hospitalization during the study period<br><br>         27. Eating disorders (e.g. anorexia, bulimia) or special diets (e.g. vegan, vegetarian)<br><br>         28. Present drug abuse or alcoholism, reformed alcoholic<br><br>         29. Legal incapacity<br>