1. Association of adolescent obesity and lifetime nulliparity—The Study of Women's Health Across the Nation (SWAN) 
Alex J. Polotsky, M.D., M.S., Susan M. Hailpern, Dr.P.H., M.S., Joan H. Skurnick, Ph.D., Joan C. Lo, M.D., Barbara Sternfeld, Ph.D., Nanette Santoro, M.D. 
Fertility and Sterility 
Volume 93, Issue 6, Pages (April 2010)
DOI: /j.fertnstert
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Prevalence of lifetime nulliparity and nulligravidity by high school BMI categories (yellow bars = nulligravidity; purple bars = nulliparity).
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions