Figure 3

Relative values of feeling of discomfort as measured using VAS during the non-menses (A) and menses (B) phases of the experiment. US = ultra slim type of sanitary napkin; MT = maxi type of sanitary napkin. The main effect of “sample” was significant during the non-menses phase (F_{(1, 34)} = 15.44, P <0.001) and the menses phase (F_{(1, 34)} = 6.60, P <0.05) by a two-way (sample × stage) ANOVA.