North American Registry of Midwives (NARM) Practice Exam

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How long should the isolation of an infant after maternal varicella infection last?

  1. Until the baby is 1 month old

  2. Until the maternal rash resolves

  3. For a minimum of 72 hours

  4. There is no need for isolation

The correct answer is: Until the maternal rash resolves

The appropriate duration for isolating an infant following maternal varicella infection is until the maternal rash resolves. This is based on the understanding that varicella (chickenpox) is a highly contagious viral infection, and the infant can be at risk of developing the disease if exposed to the maternal rash, which indicates active varicella infection. When the mother has an active rash, there is a possibility of transmitting the varicella zoster virus to the newborn. As the rash resolves, the risk of transmission decreases significantly, thus making it safe for the infant to be with the mother. Proper isolation practices are crucial in preventing potential complications in newborns, as they may not have fully developed immune systems to handle such infections. Other options do not align with the established guidelines for the management of varicella in the context of maternal infection. For instance, isolating the infant until one month old does not address the immediate risk associated with the mother's active rash. A minimum isolation period of 72 hours or suggesting that there is no need for isolation does not reflect the necessary precautions that need to be taken during this time to protect the infant's health.