1. Polycystic ovary morphology: age-based ultrasound criteria
Hyun-Jun Kim, M.D., Judith M. Adams, D.M.U., Jens A. Gudmundsson, M.D., Gudmundur Arason, M.D., Cindy T. Pau, M.D., Corrine K. Welt, M.D. 
Fertility and Sterility 
Volume 108, Issue 3, Pages (September 2017)
DOI: /j.fertnstert
Copyright © 2017 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
(A) Ovarian volume and (B) follicle number in women with PCOS (open gray circles) and controls (open black squares) as a function of age. Black horizontal lines indicate the chosen cutoff to distinguish PCOM from normal morphology.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2017 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
ROC curves demonstrating the sensitivity and specificity of (A) ovarian volume and (B) follicle number as a single factor to distinguish PCOS subjects from controls for age groups 18–24 (gray circles), 25–29 (open circles), 30–34 (closed triangles), 35–39 (solid line), and 40–44 years (X).
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2017 American Society for Reproductive Medicine Terms and Conditions