Figure 5From: Menstrual cycle length: a surrogate measure of reproductive health capable of improving the accuracy of biochemical/sonographical ovarian reserve test in estimating the reproductive chances of women referred to ART The stratification of data according to MCL classes, Age classes and clinical pregnancy rate for fresh embryo transfer. AGE_class_1: patients older than 40 years; AGE_class_2 patients aged between 35–40 years; AGE_class_3 patients aged between 26–34 years; AGE_class_4 patients younger than 26 years) (MCL_class_1: >31 days, MCL_ class_2: 30–31 days, MCL_ class_3: 28–29 days, MCL_ class_4: 26–27 days, MCL_ class_5: <26 days).Back to article page