Herramientas Femeninas

Peso Fetal Normal

Según semanas de embarazo

Peso Fetal Normal
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20 semanas
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Peso fetal normal
Longitud aprox.
Week 4 0% Week 40
Rango normal (g)
semana
trimestre
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El feto tiene el tamaño de:
Tabla de crecimiento fetal semanal
Semana Peso normal Longitud Comparación
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What is a normal fetal weight?

The fetus develops significantly throughout pregnancy weeks, from a few milligrams in early weeks to 3.5–4 kg at birth around week 40.

Is my baby's weight normal?

This tool shows WHO reference averages. A weight is considered normal if it falls within the given range. Slight variations are perfectly normal.

Factors affecting fetal weight

  • Genetics and parents' height
  • Mother's nutrition and overall health
  • Pregnancy number (second baby often heavier)
  • Baby's gender (boys slightly heavier on average)

⚠️ This tool is for awareness only. Monitor fetal growth through your doctor and ultrasound scans.

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