1. Successful treatment algorithm for evaluation of early pregnancy after in vitro fertilization 
Lisa Marii Cookingham, M.D., Rachel P. Goossen, B.A., Amy E.T. Sparks, Ph.D., Bradley J. Van Voorhis, M.D., Eyup Hakan Duran, M.D. 
Fertility and Sterility 
Volume 104, Issue 4, Pages e1 (October 2015)
DOI: /j.fertnstert
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Flow diagram of clinical algorithm for early pregnancy evaluation after assisted reproduction technology. Monitoring of human chorionic gonadotropin (hCG) levels and evaluation by ultrasound was performed according to the clinical algorithm as pictorially represented.
Fertility and Sterility  , e1DOI: ( /j.fertnstert )
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions

3. Supplemental Figure 1
Histogram plot of variation in the timing of first human chorionic gonadotropin (hCG). As demonstrated, the majority of cases followed the protocol for first hCG on the 15th day after oocyte retrieval.
Fertility and Sterility  , e1DOI: ( /j.fertnstert )
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions