Fig. 1
From: FSH may be a useful tool to allow early diagnosis of Turner syndrome
Gonadotropins levels in different ages in girls with Turner syndrome. Hormone values are presented in the y-axis on a logarithmic scale. The lines on the y-axis represent the lower and upper normal limits for a) FSH and b) LH concentrations. Levels above the upper limits were considered post-menopausal and those below the lower limits were regarded as pre-pubertal