If your rectum has herniated into and through your vaginal wall the surgery can't be avoided, but if you start using the Kegelmaster after an appropriate post-op recovery period (usually 6 weeks) you will most likely never have to go though the surgery again.
If the rectocele is just a "sag" or bulge and the vaginal wall has not been penetrated, properly exercising your PC muscle could probably prevent the surgery, especially if you also made sure your hormone levels were good.
If you need hormone supplementation we are recommending "bioidenticals" rather than artificial estrogen - Premarin.
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The DVD should work on your computer but if it doesn't we still have the instructional video available on VHS on request for the U.S. and Canada. The DVD works worldwide!