Figure 2. Average percentage of HOXA11 expression in the proliferative phase of the menstrual cycle (8^th to 12^th day) between the groups: fertile without endometritis, infertile without endometritis and infertile with endometritis. This represents a significant difference compared to the control group (fertile without endometritis). (p value<0.05; ANOVA test with Tukey’s post-hoc test).