system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In genital TB, the menstrual blood
assistant
The correct answer is  (A) Does not contain tuberculids# Definitive diagnosis of TB requires isolation of tubercle bacilli via culture.> Bacteriological examination of menstrual blood with acid fast bacilli (AFB) smear and cultures is recommended by some but sensitivity is very low.> Menstrual fluid collected within 12 hour after onset of menses & cultured was found to be positive for tuberculosis in 10% of cases.