1. Long-term influence of combined oral contraceptive use on the clinical course of relapsing–remitting multiple sclerosis 
Giulia Gava, M.D., Ilaria Bartolomei, M.D., Ph.D., Antonietta Costantino, Ph.D., Marta Berra, M.D., Stefano Venturoli, M.D., Fabrizio Salvi, M.D., Ph.D., Maria Cristina Meriggiola, M.D., Ph.D. 
Fertility and Sterility 
Volume 102, Issue 1, Pages (July 2014)
DOI: /j.fertnstert
Copyright © 2014 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Evolution of relapsing-remitting MS to secondary progressive MS. The graph represents the rate of evolution of the disease from RRMS to SPMS according to the time of COC use. The y axis shows the percentage of women with RRMS, the x axis the duration of disease in years. Each cross on the lines indicates the exit of a woman from evaluation due to the different duration of disease.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2014 American Society for Reproductive Medicine Terms and Conditions