1. Endometrial lesions caused by catheters used for embryo transfers: a preliminary report 
Guillermo Marconi, MD, Martín Vilela, MD, José Belló, MD, Marco Diradourián, MD, Ramiro Quintana, MD, Carlos Sueldo, MD 
Fertility and Sterility 
Volume 80, Issue 2, Pages (August 2003)
DOI: /S (03)

2. FIGURE 1
(A) Endocervical lesion and (B) isthmic lesion caused by Tomcat catheter. (C) Endometrial lesion caused by the outer sheath of the Wallace catheter.
Marconi. Endometrial lesions by ET catheters.Fertil Steril 2003.
Fertility and Sterility  , DOI: ( /S (03) )

3. FIGURE 2
Groove-like lesion caused by the Frydman catheter on the anterior endometrium. Note the ischemic borders and bleeding spots.
Marconi. Endometrial lesions by ET catheters.Fertil Steril 2003.
Fertility and Sterility  , DOI: ( /S (03) )

4. FIGURE 3
Punch-out lesion on the uterine fundus caused by the Frydman catheter.
Marconi. Endometrial lesions by ET catheters.Fertil Steril 2003.
Fertility and Sterility  , DOI: ( /S (03) )

5. FIGURE 4
Drilling lesion in the endometrial mucosa caused by the Frydman set. A, tunnel entrance; B, detailed image of a crater-like lesion in the uterine fundus.
Marconi. Endometrial lesions by ET catheters.Fertil Steril 2003.
Fertility and Sterility  , DOI: ( /S (03) )

6. FIGURE 5
Subendometrial tunnel with cyanotic appearance caused by the Frydman set. A, entry filled with blood (in all figures, arrows are pointing at the lesions described).
Marconi. Endometrial lesions by ET catheters.Fertil Steril 2003.
Fertility and Sterility  , DOI: ( /S (03) )