“…In fact, CIN 1, 2, and 3 have all been associated with acceptably low rates of progression. Although Figure 3 demonstrates that it is possible for CIN 1 or CIN 2 to progress to CIN 3,30,31,35,67,69,71,72 this may represent a subpopulation of patients with less than optimal immunocompetence, or alternatively, sampling error during the antepartum biopsies. In either case, the significance of such a progression is of little concern.…”