In a 3-year-old child scheduled for elective surgery, what is the recommended preoperative fasting duration after consumption of breast milk?

Question

Accepted Answer

B. 4 hours. ## Pediatric Preoperative Fasting Guidelines

**Key Point:** Fasting guidelines for infants and children are based on gastric emptying time and the type of ingested substance. Breast milk is absorbed more readily than formula, allowing a shorter fasting interval.

### Fasting Duration in Pediatric Patients

| Substance | Fasting Duration |
| --- | --- |
| Clear liquids | 2 hours (any age) |
| Breast milk | 4 hours |
| Infant formula | 6 hours |
| Solid food / regular meals | 6–8 hours |

**High-Yield:** Breast milk requires **4 hours** of fasting in both children and adults. This is shorter than formula (6 hours) because breast milk has a faster gastric emptying time due to its composition and lower fat content.

**Clinical Pearl:** In pediatric practice, allowing breast milk up to 4 hours before surgery reduces parental anxiety and maintains infant hydration better than formula, while maintaining equivalent aspiration safety.

**Mnemonic:** **BF-4, FF-6** — Breast milk Fasting = 4 hours; Formula Fasting = 6 hours.

**Warning:** Do not confuse breast milk (4 hours) with infant formula (6 hours). The difference reflects gastric emptying physiology, not arbitrary rounding.

Answer

A. 3 hours

Answer

C. 2 hours

Answer

D. 6 hours

In a 3-year-old child scheduled for elective surgery, what is the recommended preoperative fasting duration after consumption of breast milk?

Explanation

Pediatric Preoperative Fasting Guidelines

Fasting Duration in Pediatric Patients

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Substance	Fasting Duration
Clear liquids	2 hours (any age)
Breast milk	4 hours
Infant formula	6 hours
Solid food / regular meals	6–8 hours