The primary objective of this study is to compare with PFDI-20 questionnaire the functional outcome of laparoscopic sacrocolpopexy and vaginal mesh surgery in the treatment of symptomatic exteriorised cystocele up to 4 years after surgery.

The secondary objectives of this study are the following:

1. to compare the two techniques for anatomical results based on the clinical evaluation of patients with POP-Q.
2. to overall quality of life assessment and expectations of patients.
3. to compare the two techniques for the long-term safety. The evaluation will focus on the adverse effects of long-term sexual and genital symptoms, urinary and digestive functional symptoms, and chronic pelvic pain.
4. to compare the improvement of the functional outcome assessed by PFDI-20 questionnaire (matched-analysis before versus after).

Inclusion Criteria:

• All the patients included in the PROSPERE study will be included in the PROSPERE-4 study. The inclusion criterias for the PROSPERE study are:
• Written informed consent
• insured under the French social security system

Exclusion Criteria:

• Unwillingness or inability to comply with the requirements of this protocol, including the presence of any condition (physical, mental, or social) that is likely to affect the subject's ability to comply with the study protocol
• Participation in another trial