1. Evaluation of a low-dose oral contraceptive pill for primary dysmenorrhea: a placebo- controlled, double-blind, randomized trial 
Tasuku Harada, M.D., Mikio Momoeda, M.D., Naoki Terakawa, M.D., Yuji Taketani, M.D., Hiroshi Hoshiai, M.D. 
Fertility and Sterility 
Volume 95, Issue 6, Pages (May 2011)
DOI: /j.fertnstert
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Profile of the randomized controlled trial. FAS = full analysis set. aPatient choice. bReasons for no available data: shortage of day received (n = 3); 2–4 days intake (n = 2). cReason for no available data (n =1). dReason for no available data (n = 1).
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Changes in mean dysmenorrhea score and visual analog scale (VAS) during the trial. The mean (±SD) of total dysmenorrhea score, pain score, drug score and VAS in the IKH-01 and placebo groups are shown from the pretreatment cycle to cycle 5. ∗∗ P<0.01 IKH-01 vs placebo.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions