Fig. 4From: Changes in the cohort composition of turner syndrome and severe non-diagnosis of Klinefelter, 47,XXX and 47,XYY syndrome: a nationwide cohort studyPrevalence of sex chromosome abnormalities among newborns. a Prevalence of Turner syndrome (TS). Black bars indicates the prevalence of 45,X TS among all TS; b Triple X syndrome (Triple X); c Klinefelter syndrome (KS); and d Double Y syndrome (Double Y) during 1901–2014. Dashed lines indicate the expected prevalence and dotted lines indicate the observed maximum average prevalence of TS, Triple X, KS and Double Y per 100,000 newborn females or malesBack to article page