Hello, I plan on taking a CNA course at my local community college and I recently found out about OB techs. Is there more required training to become an OB tech or do hospitals hire CNA's and train them? I work as a catering associate at a hospital now (i make/deliver patient food) and the nurses in L & D say they use scrub techs. I would ask more questions but our hospital in currently way under staffed and super busy. So are scrub techs CNA's that are trained at the hospital or is special schooling? Are scrub techs and OB techs the same position? thank you:D