1. A review and meta-analysis of prospective trials comparing different catheters used for embryo transfer 
William M. Buckett, M.D. 
Fertility and Sterility 
Volume 85, Issue 3, Pages (March 2006)
DOI: /j.fertnstert
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

2. FIGURE 1
Funnel plot to detect any publication bias in trials comparing hard with soft embryo transfer catheters.
Buckett. Meta-analysis of ET catheters. Fertil Steril 2006.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

3. FIGURE 2
Relative risk for clinical pregnancy per embryo transfer in trials comparing soft with hard embryo transfer catheters (over unity in favor of soft catheters).
Buckett. Meta-analysis of ET catheters. Fertil Steril 2006.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

4. FIGURE 3
Relative risk for clinical pregnancy per embryo transfer in trials comparing the TDT catheter with both hard and soft embryo transfer catheters (over unity in favor of TDT catheters).
Buckett. Meta-analysis of ET catheters. Fertil Steril 2006.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

5. FIGURE 4
Funnel plot to detect any publication bias in trials comparing Cook with Wallace soft embryo transfer catheters.
Buckett. Meta-analysis of ET catheters. Fertil Steril 2006.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

6. FIGURE 5
Relative risk for clinical pregnancy per embryo transfer in trials comparing Cook with Wallace soft embryo transfer catheters (over unity in favor of Wallace catheters).
Buckett. Meta-analysis of ET catheters. Fertil Steril 2006.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions