Hi Arindam, Welcome to health care magic Usually we say that, if we know the diagnosis and treat it properly, it is easier to get success for future pregnancy. Unfortunately for TB of uterus, it is not the same. Inspite of complete treatment of TB, the endometrial abnormality and deformity due to TB do not revert back to normal. The good thing is that, you have conceived four times before, which suggest that your tubes are patent, and normal. So there are chances that after treatment you might be able to conceive and have successful pregnancy. it would also be of useful, if we know your age, and the period of pregnancy during your last four miscarriages. Never lose the hope. These days, there are lots of development in infertility management, you must choose a right infertility clinic, and discuss in details, the best approach for your condition.