What is Pelvic Floor Stimulator(PFS) It is an ultra simple, yet powerful digital Pelvic Floor Stimulator (PFS). Compact, stylish and designed for use by women of all ages to help strengthen pelvic floor muscles. PFS can help women gain greater bladder control, increased vaginal tone and greater sensation during intercourse. One in three women suffer from incontinence during their lives. It can occur at any time, most commonly after childbirth. Pelvic Floor Stimulation strengthens the pelvic floor by passing mild electrical pulses via an internal vaginal probe to contract and relax the pelvic floor muscles.