1. Ongoing pregnancy rates in intrauterine insemination are affected by late follicular- phase progesterone levels 
Antonio Requena, M.D., María Cruz, Ph.D., Alberto Pacheco, Ph.D., Juan Antonio García-Velasco, M.D. 
Fertility and Sterility 
Volume 104, Issue 4, Pages (October 2015)
DOI: /j.fertnstert
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Significant differences in ongoing pregnancy rates, depending on P (P4) concentration. *P<.05.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Receiver operating characteristic curve to test the predictive value of the variable “progesterone level.” AUC = 481.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions