Women who undergo to three months of a pelvic floor muscle training program.

Women who undergo to three months of a hypopressive exercises plus pelvic floor muscle contraction program.

Women who undergo to three months of a hypopressive exercises program.

Women who undergo to a session for lifestyle advice.

Three individual initial sessions for learn about pelvic floor muscle localization and function; receive lifestyle advice and practice the exercises correctly.

The control group receive only lifestyle advice.

Followed by three months of home training with appointments each two weeks with physiotherapist.

Digital palpation - Evaluates the pelvic floor muscle contraction and assign values according to scales: Oxford (previously validated) and muscular endurance (measured in seconds)

Surface electromyography - evaluates the electrical activity generated by activation of motor units of pelvic floor muscles - during the rest and during the maximum voluntary contraction

2D perineal ultrasound - evaluates the cross sectional area of levator ani muscle.

Quantification of stage of pelvic organ prolapse. Measured during gynecology exam by pelvic organ prolapse quantification (POP-Q)exam.

Measure of changes in symptoms of pelvic organ prolapse using a questionnaire.