Complex sentence: Medical personnel are usually not involved, although in some countries, particularly Egypt, Sudan and Kenya, FGM is carried out by health professionals; surveys in Egypt in 1997--2011 indicated that 77 percent of procedures were performed by medical professionals, often physicians.
Split into simpler sentences: Medical personnel are usually not involved, although in some countries, particularly Egypt, Sudan and Kenya, FGM is more likely to be carried out by health professionals. Surveys in Egypt in 1997--2011 indicated that 77 percent of procedures were performed by medical professionals, often physicians.