Medical MCQ - A VDRL reactive mother gave bih to an infant. All of the following would help in determining the risk of transmission to the infant, Except

A VDRL reactive mother gave bih to an infant. All of the following would help in determining the risk of transmission to the infant, Except

TPHA test on the serum sample of the mother

TPHA test on the serum sample of the infant

VDRL on the paired serum sample of the infant and mother

Time interval between the treatment of the mother and her delivery

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Correct Answer:

TPHA test on the serum sample of the infant

Description:

Positive TPHA mother is responsible for transmission of infection to the infant In infants, no test (even TPHA) can show the difference between asymptomatic infected and noninfected. VDRL -- detect antibody titer raised in both infants and mother suggests the transmission 4 weeks before delivery treatment should be completed so time interval is the impoant factor. Ref: Ananthanarayana textbook of Microbiology 9th edition Pgno : 374

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