International Professional Surrogates Association (IPSA)

"IPSA was founded in 1973 by a group of pioneering surrogate partners and therapists who were discovering and creating Surrogate Partner Therapy. They created a Code of Ethics to help define and clarify the responsibilities surrogates and of collaborating therapists. They created an excellent training program for surrogate partners and sex therapists, ran professional conference, and shared the method with other therapists." - https://www.surrogatetherapy.org/about-ipsa