Figure 3From: Ultrasound image attributes of human ovarian dominant follicles during natural and oral contraceptive cyclesGraphical representation of NPV, PH and AUC. Mean ± SEM (a, b) numerical pixel value (c,d) pixel heterogeneity and (e, f) area under the curve obtained by region analysis (a, c, e) and line analysis (b, d, f) of natural cycle and OC-cycle follicles.Back to article page