Pregora
Baby development

26 weeks pregnant baby size

By Pregora Editorial Team · Updated 2026-05-07 · 3 min read

Pregnant woman in floral dress

At 26 weeks pregnant, your baby is about 35.6 cm / 14 in long and weighs around 760 g / 1.7 lb — comparable in size to a lettuce. About the size of a head of lettuce — approaching the third trimester.

Length

35.6 cm / 14 in

Weight

760 g / 1.7 lb

Size of

Lettuce

Week 26 milestones

  • Eyes are forming and will start opening soon
  • Lungs are developing surfactant for breathing
  • Baby can blink and react to bright light
  • Brain wave activity matches that of a newborn

Tip for week 26

Glucose tolerance test (gestational diabetes screening) usually happens between weeks 24-28. Fast as instructed and bring a snack for after.

Disclaimer: Baby measurements are population averages — individual babies vary. Always consult your healthcare provider for personalised growth assessments based on your ultrasound scans.

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