Inclusion Criteria:  Group cases:  pregnant women aged over 15 adressed to TB diagnostic and treatment centers for a bacteriological diagnosis of pulmonary TB Or with one or more symptoms of presumptive TB: cough, fatigue, weight loss, fever, chills, night sweats, shortness of breath, loss of appetite agreed to participate in the study with full knowledge of the facts and signed an informed consent  Group control:  pregnant women over 15 years referred to a prenatal health center, without known or clinically observed pathology associated with pregnancy agreed to participate in the study with full knowledge of the facts and signed an informed consent  Exclusion Criteria:  Group cases :  Patients undergoing TB treatment for more than 2 weeks Treatments with immunosuppressive drugs (≥ 14 consecutive days); Progressive disease which does not allow venous blood sampling and venous capillary sampling; All other clinical manifestations deemed incompatible for the study  Group Control :  No clinical signs of TB, no history of previous TB No other known or clinically observed pathologies