What are the tubal causes of infertility? Pelvic inflammatory disease is an important cause of infertility. This can cause tubal blocks, peritubal adhesions can interfere with egg pickup by the tube. In the uterus, endometritis can cause adhesions and interfere with implantation of the pregnancy. Pelvic infection can be due to tuberculosis, Chlamydia or other bacterial infections. All these issues need to be addressed