1. Association of vitamin D intake and serum levels with fertility: results from the Lifestyle and Fertility Study 
June L. Fung, Ph.D., Terryl J. Hartman, Ph.D., Rosemary L. Schleicher, Ph.D., Marlene B. Goldman, Sc.D. 
Fertility and Sterility 
Volume 108, Issue 2, Pages (August 2017)
DOI: /j.fertnstert
Copyright © 2017 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Time to conception for all clinical pregnancies by serum 25(OH)D status among women, adjusted for age, race, BMI category, alcohol consumption, smoking status, and physical activity score. At risk for inadequacy or deficiency is defined as serum 25(OH)D < 50 nmol/L; sufficiency is defined as serum 25(OH)D ≥ 50 nmol/L.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2017 American Society for Reproductive Medicine Terms and Conditions