The purpose of this study is to stablish a correlation between fecal incontinence severity scales (Wexner & St. Mark's) and manometric values obtained using the Anopress® portable manometry and values obtained using endoanal ultrasound in women with fecal incontinence.

The Anopress® portable anal manometry will be used to measure the pressures of the anal canal in different phases: rest, squeeze, strain and endurance.

All female patients referred with the diagnosis of fecal incontinence giving written informed consent will undergo a endoanal portable manometry at our outpatients clinics. They will be asked to fill out the severity questionaries (Sant Mark's and Wexner). All data will be collected for analysis.

An endoanal ultrasound will be performed in all patients to assess the sphincter integrity.

Inclusion Criteria:

• Patients with the clinical diagnosis of fecal incontinence
• Age ≥ 18 years.
• Informed consent signed by the patient and the researcher.

Exclusion Criteria:

• Patients with psychiatric illnesses, addictions or any disorder that prevents understanding of the study.
• Inability to read or understand the questionnaires.
• Inability to read or understand any of the informed consent languages (Catalan, Spanish).
• Any patient who, due to his medical characteristics, presents a high individual risk when being included and completing the study.

Women over 18 years referred to our outpatient's clinic with the clinical diagnosis of fecal incontinence.