## **Core Concept**
The management of a neonate born to a hepatitis B-positive mother involves administering hepatitis B immune globulin (HBIG) and the first dose of hepatitis B vaccine at birth. This approach is crucial for preventing perinatal transmission of hepatitis B virus (HBV) to the newborn.

## **Why the Correct Answer is Right**
The correct management strategy for a neonate delivered by an HBsAg-positive patient includes administering **Hepatitis B Immune Globulin (HBIG)** and the **first dose of Hepatitis B vaccine** within 12 hours of birth. HBIG provides immediate, temporary protection against HBV, while the hepatitis B vaccine initiates active immunity. This combined approach significantly reduces the risk of perinatal transmission of HBV.

## **Why Each Wrong Option is Incorrect**
- **Option A:** This option is incorrect because it does not specify the administration of HBIG and the hepatitis B vaccine, which are both critical for immediate and long-term protection against HBV.
- **Option B:** This option might mention only the hepatitis B vaccine without HBIG, which would not provide the immediate protection that HBIG offers against HBV.
- **Option C:** If this option suggests monitoring without immediate intervention, it is incorrect because it delays the crucial preventive measures that could reduce the risk of HBV transmission.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is the **"HBIG and HepB"** strategy for newborns of HBsAg-positive mothers. Administering HBIG (0.5 mL) and the first dose of hepatitis B vaccine within 12 hours of life is a critical preventive measure. This approach is emphasized in guidelines for the prevention of mother-to-child transmission of HBV.

## **Correct Answer:** . Administer HBIG and Hepatitis B vaccine.