VEGF-Positive
Group I
Untreated patients		 28/37 76%
Group II
OC Users		 20/26 76%
Group III
Users of OC + pycnogenol		 6/20 30%
Group I×Group III; p<0.001
Group II×Group III; p=0.001
Group I×Group II; not significant.
Table 1: The effect of oral contraceptives (OC) alone or in association with pycnogenol on VEGF expression in the eutopic endometrium of endometriosis patients.
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