Table 1.

Vaginal smear feature, uterus size, number of follicles, and E2 level in C57BL/6 female mice

MiceVaginal smearUterus (mg)FolliclesE2 (pmol/L)
Class IVClass V
Eovx (n = 9)Irregularly shaped cornified cells132 ± 7465 ± 97
Covx (n = 9)Leucocyte; few parabasal cells18 ± 2<3
Proestrus (n = 7)Irregularly shaped cornified cells109 ± 51 ± 19 ± 158 ± 2
Diestrus (n = 8)Leucocyte; few parabasal cells76 ± 57 ± 12 ± 149 ± 1
  • All values are mean ± SEM.