Figure 4
From: Continuous controllable balloon dilation: a novel approach for cervix dilation
Extent of cervical hemorrhagia after Hegar dilatorand continuous controllable balloon dilator dilation. (A) A semiquantitative determination of representative samples. Intraepithelial, subepithelial and stromal bleeding was observed after Hegar dilator (HeD) dilation (a) compared with intraepithelial hemorrhagia observed after continuous controllable balloon dilator (CCBD) dilation (b). (B) Percentage of patients with cervical hemorrhagia after HeD and CCBD dilation. A significant difference in the extent of cervical hemorrhagia was observed between the nondilated and HeD-dilated patients. Mean ± standard error, n = 40 per group, P <0.01. There was no significant difference in the extent of cervical bleeding observed between the nondilated and CCBD-dilated patients. The extent of cervical hemorrhagia was significantly lower after CCBD dilation compared with HeD dilation. Mean ± standard error, n = 40 per group, P <0.01.