Table 2: Relative expression levels of CB1 mRNA and CB2 mRNA.

normaleutopicectopic
(n = 34)(n = 45)(n = 45)

CB1 mRNA levels
 proliferative phase0.153 ± 0.020.071 ± 0.010.022 ± 0.00
(n = 22)(n = 23)(n = 23)
 secretory phase0.244 ± 0.030.127 ± 0.040.027 ± 0.00
(n = 12)(n = 22)(n = 22)
CB2 mRNA levels
 proliferative phase0.183 ± 0.020.041 ± 0.000.015 ± 0.00
(n = 22)(n = 23)(n = 23)
 secretory phase0.313 ± 0.050.148 ± 0.030.029 ± 0.00
(n = 12)(n = 22)(n = 22)

Values given as mean ± standard error (SEM). between normal endometrium and eutopic endometrium (same phase), p < 0.05. between eutopic endometrium and ectopic endometrium (same phase), p < 0.05. between normal endometrium and ectopic endometrium (same phase), p < 0.05. between proliferative phase and secretory phase (same group), p < 0.05. between proliferative phase and secretory phase (same group), p ≧ 0.05.