Episode 9 - Contraception - Part 4 January 31, 2017 Transcript In this episode we discuss the history, methods, effectiveness, and pitfalls of permanent sterilization. feedback@obgyn.fm Tubal TechniquesD. Bartz & J. Greenberg. Sterilization in the United States. Rev Obstet Gyn. 2008; 1(1): 23-32.CREST StudyCREST Study: RegretCREST Study: EctopicFit to Be Tied: Sterilization and Reproductive Rights in America, 1950-1980