Most common organ involved in congenital Tb is-

Ans. is 'a' i.e.t Liver Congenital tuberculosisAlthough it is rare as mother having tuberculosis primarily present with infertility.Tuberculous bacilli sometimes pass throgh umblical vein and may develop focus in liver (hepatic complex).When neonate aspirate amniotic fluid containing bacilli then develop GI tuberculosis or lung infection,Neonate usually present as respiratory distress, hepatosplenomegaly lymphadenopathy.Overall liver is most commonly involved in congenital tuberculosis