Histology: a prognostic factor in proximal tubal occlusion

To evaluate the results of 54 microsurgical anastomoses in relation to histologic findings, serial sections from 102 stenosed tubal portions (n = 54 women) were examined. The term pregnancy rate was 41% in our series. Unfavorable histologic factors influencing the postoperative pregnancy rate were revealed by our study: (1) chronic inflammation, (2) tubal inclusions in the tubal wall, and (3) tubal endometriosis.