Premature baby of 34 weeks was delivered. Baby developed bullous lesion on the skin and X-ray shows periostitis. What should be the next investigation?: (A) VDRL for mother & baby, (B) ELISA for HIV, (C) PCR for TB, (D) Hepatitis surface antigen for mother
Answer is A. Bullous lesion and periostitis suggest the diagnosis of congenital syphilis. So, VDRL is done for mother & baby