Normal triglyceride level in 3 month old
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normal triglyceride level 3 month old infant reference range
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normal triglyceride levels infants 0-12 months mg/dL reference range NHANES
The Harriet Lane Handbook reference table has exactly what's needed. Here is the answer:
Normal Triglyceride Levels in a 3-Month-Old
A 3-month-old falls within the 31–90 days age bracket. Reference values from the Harriet Lane Handbook (a standard pediatric reference):
| Age | Male (mg/dL) | Female (mg/dL) | Male (mmol/L) | Female (mmol/L) |
|---|---|---|---|---|
| 0–7 days | 21–182 | 28–166 | 0.24–2.06 | 0.32–1.88 |
| 8–30 days | 30–184 | 30–165 | 0.34–2.08 | 0.34–1.86 |
| 31–90 days | 40–175 | 35–282 | 0.45–1.98 | 0.40–3.19 |
So for a 3-month-old (approximately 31–90 days):
- Males: ~40–175 mg/dL
- Females: ~35–282 mg/dL (females have a notably wider upper range in this age bracket)
Key Points
- Triglyceride levels in infants are higher relative to older children and adults, largely because breast milk and infant formula are high in fat.
- The wide reference range reflects normal physiological variability at this age.
- Values should always be interpreted in the context of the feeding state (fasting vs. non-fasting), as postprandial levels can be significantly elevated, especially in breastfed infants.
- For clinical decisions in infants, consult age-specific laboratory reference ranges from the performing lab, as ranges can vary slightly by analyzer and methodology.
Source: Harriet Lane Handbook pediatric reference values (PedWorld/Johns Hopkins)
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