edit(ed) – v. to make changes, correct mistakes

practicing – v. having a professional medical or legal business

twin – adj. used to describe children who are either one of two babies that are born at the same time to the same mother

ethics – n. rules of behavior based on ideas about what is morally good and bad

proper – adj. correct according to social or moral rules

certification – n. official approval to do something professionally or legally

deliberately – adv. in a way that is meant, intended, or planned

regulation(s) – n. an official rule or law that says how something should be done

advancing – v. continuing in a process of development