How to rule out tuberculosis in pregnant women

If the sputum smear is negative, tuberculosis is basically ruled out, but if it shows typical tuberculosis symptoms, it may be considered tuberculosis with a negative sputum smear. In this case, you need to do tuberculin test, measure the diameter of redness, if the diameter is greater than 20, it is a strong positive, in this case it may be suspected of tuberculosis infection, need other tests, can do chest x-ray detection, clear lung lesions. If there is no lung lesions, basically can also rule out the infection of combined mycobacteria.