Percentage Weight Loss Formula:
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The Infant Weight Percentage Calculator calculates the percentage of weight loss in newborns from their birth weight. This is an important metric for assessing neonatal health and nutrition.
The calculator uses the following formula:
Where:
Explanation: The formula calculates what percentage of the original birth weight has been lost.
Details: Monitoring weight loss in newborns is crucial as excessive weight loss may indicate feeding problems, dehydration, or other health issues that require medical attention.
Tips: Enter both weights in kilograms. For accurate results, use precise measurements from calibrated scales. Normal newborns may lose up to 7-10% of birth weight in the first week.
Q1: What is normal weight loss for a newborn?
A: Most newborns lose 5-7% of birth weight in first few days, with 10% often considered the upper limit of normal.
Q2: When should I be concerned about weight loss?
A: Consult a pediatrician if weight loss exceeds 10% or if the infant shows signs of dehydration (fewer wet diapers, lethargy, sunken fontanelle).
Q3: How often should I weigh my newborn?
A: In the first week, daily weights may be helpful. After that, weekly weights are usually sufficient unless there are concerns.
Q4: When should birth weight be regained?
A: Most infants regain birth weight by 10-14 days of age with adequate feeding.
Q5: Does this apply to premature infants?
A: Premature infants may have different weight loss patterns and should be monitored more closely by healthcare professionals.