A HIV mother delivers a baby All are true, EXCEPT:

Ans. is 'a' i.e Risk of HIV in baby is upto 90% Mother to infant transmission of HIV varies from 13 % -48 % in untreated patients. It never reaches 90 %.HIV can be transmitted from mother to infant in the following ways.In uteroDuring birth processThrough breastfeeding (usually occurs during the 1st 6 months)There is some confusion regarding choice B.The definitive diagnosis of HIV infection in children born to HIV infected mother is difficult because infected mothers transmit IgGAb to the newborn transplacentally. Children bom to infected mothers are usually Ab positive at birth but only 15-30% are actually infected.These antibodies remain at significant level until 18 months. IgGAb test are not reliable indicators of infection status in a child before 18 months.But now tests are available that can diagnose definite hiv infection even in new bornThese areDetection of P24 AntigenELISA for detection of IgA& IgM.PCR to detect viral nucleic acid in peripheral blood.