## **Core Concept**
The World Health Organization (WHO) and other health institutions recommend breastfeeding as the optimal form of nutrition for infants. The duration of breastfeeding is crucial for the health and development of the infant.

## **Why the Correct Answer is Right**
The correct answer of **6 months** is based on the WHO's recommendation that infants should be exclusively breastfed for the first 6 months of life. This period allows for the optimal growth, development, and immune system maturation of the infant. Breast milk provides all the necessary nutrients, antibodies, and bioactive factors that support the infant's health during this critical period.

## **Why Each Wrong Option is Incorrect**
- **Option A: 3 months** - This duration is too short to provide the infant with the full benefits of breastfeeding, including immune system development and optimal growth.
- **Option B: 12 months** - While extended breastfeeding beyond 6 months offers continued benefits, the specific recommendation for exclusive breastfeeding is for the first 6 months.
- **Option D: 2 months** - Similar to option A, this duration is also too short and does not align with the recommended guidelines for exclusive breastfeeding.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that the WHO recommends exclusive breastfeeding for the first **6 months** of life, after which complementary foods should be introduced while breastfeeding continues for up to 2 years or beyond. This recommendation is crucial for the health of both the mother and the child.

## **Correct Answer:** . **6 months**