1. Adolescent Caucasian mothers have reduced adult hip bone density
Tom Lloyd, Ph.D., Hung-Mo Lin, Sc.D., Douglas F. Eggli, M.D., William C. Dodson, M.D., Laurence M. Demers, Ph.D., Richard S. Legro, M.D. 
Fertility and Sterility 
Volume 77, Issue 1, Pages (January 2002)
DOI: /S (01)

2. FIGURE 1
Hip BMD of teen mothers and matched controls during ages 17–21. The mean values of the two groups are significantly different at each time point.
Lloyd. Teen mothers have reduced hip bone density. Fertil Steril 2002.
Fertility and Sterility  , DOI: ( /S (01) )