Fig. 2From: Epidemiology of subtle, typical, cystic, and deep endometriosis: a systematic reviewPrevalence (red) of subtle, typical, and deep endometriosis in women with infertility (n = 1297), pain (n = 918), and infertility and pain (n = 267). Subtle endometriosis decreases with age, whereas typical, cystic, and deep endometrioses increase with age. The total prevalence (yellow) remains unchanged (from [45])Back to article page