The proportion of patients who defaulted from MDR TB treatment was relatively low. The large proportion of patients who had culture-positive sputum at the time of treatment default underscores the public health importance of minimizing treatment default. Prognosis for patients who defaulted from therapy was poor. Interventions aimed at preventing treatment default may reduce TB-related mortality.

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Background Multidrug-resistant tuberculosis (MDR-TB) disproportionately affects young adults, including women of childbearing age; however, treatment of MDR-TB during pregnancy is still controversial. This study looks at the treatment and pregnancy outcomes of a ten-year cohort of women who were treated for MDR-TB during pregnancy. Methods A retrospective case series was performed using a standardized data collection form and data from three ranked sources of patient records. All 38 participants were treated with individualized regimes which included second-line tuberculosis medications during pregnancy. We examined the frequency of favorable and adverse outcomes in terms of disease and pregnancy. Results Upon completion of MDR-TB treatment, 61% of the women were cured, 13% died, 13% defaulted, 5% remain in treatment, and 5% failed. Four of the women experienced clinical deterioration of TB during pregnancy. Five of the pregnancies terminated in spontaneous abortions and one child was stillborn. Among the live births, 3 were born with low birth weight, one was premature, and one had fetal distress. Conclusions The rates of success in treating MDR-TB in our cohort are comparable to those of other MDR-TB treatment programs in Peru. The birth outcomes of our cohort are similar to data on the general Peru population. Therefore, we advocate that a woman should be given the option to continue treatment of MDR-TB rather than termination of pregnancy or discontinuation of MDR-TB treatment.