Figure 4From: Successful implantation after reducing matrix metalloproteinase activity in the uterine cavityThe MMP test results before and after the treatment of patients with RIF. Prior to the treatment, 15.6% of patients showed a positive test result (Group P). These patients were then treated with a corticosteroid and an antibiotic for 2 weeks and subjected to another MMP test. Most patients (89.3%) became negative (Group Pe) after the treatment, whereas 10.7% of patients remained positive (Group Pr).Back to article page