The Valsalva Stuttering Network


Articles and Videos about Stuttering and Valsalva-Stuttering Therapy

The National Stuttering Association

The Philadelphia Area Chapter of the National Stuttering Association

American Speech-Language-Hearing Association

Stuttering Foundation of America

Stuttering Home Page

William Parry's new stuttering therapy website: - Stuttering Therapy and Counseling


William Parry's article on

Stuttering and the Valsalva Mechanism: A Key To Understanding and Controlling Stuttering Blocks


Information about William Parry's book

Understanding and Controlling Stuttering: A Comprehensive New Approach Based on the Valsalva Hypothesis

Articles and Chapters from William Parry's book

Stuttering as a Disability under the Americans with Disabilities Act

William Parry's new websites

Beating Stuttering Blocks - Stuttering and the Law - Stuttering Therapy: A Comprehensive Guide

The Worldwide Valsalva Control Program for Stuttering

(More to come.)



Contact Information:

 William D. Parry, CCC-SLP
A licensed speech-language pathologist, offering Valsalva Stuttering Therapy and counseling in person near Philadelphia, Pennsylvania, and by video conferencing over the Internet (subject to location and applicable law). 

Mail: P.O. Box 55, Merion Station, PA 19066-0055
Phone: 215-620-6792


Stuttering Therapy and Counseling:

The Valsalva-Stuttering Network:
Stuttering and the Law:

Valsalva Stuttering Therapy is a new approach to improving fluency by controlling the physiological mechanism that may be causing stuttering blocks. For further information on Valsalva Stuttering Therapy, visit Stuttering Therapy and Counseling at

The Revised and Expanded Third Edition of Understanding and Controlling Stuttering (2013) may be ordered from the National Stuttering Association or from

For information concerning stuttering self-help and support, please contact:

National Stuttering Association
1460 Broadway, New York, NY 10036
(800) 937-8888
Updated 3/4/2019

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Last revised: 4/30/2012