What are the pros and cons of different types of endometrial ablations?

Various. The pros are that it is a minor procedure, with relatively few complications. Also it is about 50 to 80 % effective in treating heavy bleeding problems, depending on the patient's age. The cons are that it is not a form of birth control, does not protect against uterine cancer, and can make it difficult to detect early uterine cancer. A better option is the Mirena (levonorgestrel) iud.