Figure 6.
The secular trend in puberty. Declining age of menarche in Europe and the US from 1840 to 2000. Data from Bellis et al., J Epidemiol Community Health (2006).18 The lines do not show a saturation point; the trend is expected to continue.
Figure 6.
The secular trend in puberty. Declining age of menarche in Europe and the US from 1840 to 2000. Data from Bellis et al., J Epidemiol Community Health (2006).18 The lines do not show a saturation point; the trend is expected to continue.