1. A comparison of novice and experienced physicians performing hysteroscopic sterilization: an analysis of an FDA-mandated trial 
Mark Levie, M.D., Scott G. Chudnoff, M.D., M.S. 
Fertility and Sterility 
Volume 96, Issue 3, Pages e1 (September 2011)
DOI: /j.fertnstert
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Modifications in the Essure 305 device. 1. Increased contrast between new gold placement band and inner catheter. 2. Increased visibility of placement marker (band) on delivery system. 3. Improved detachment/disengagement mechanism. 4. Key Essure placement procedure steps molded into purple delivery handle. 5. Elimination of taper on proximal end of outer coil, and the delivery system no longer threads through the outer coil band. 6. Valved introducer.
Fertility and Sterility  , e1DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2 Subject enrollment flow.
Fertility and Sterility  , e1DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

4. Supplemental Figure 1 Placement status by procedural time.
Fertility and Sterility  , e1DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions