Third trimester

Week 34 of Pregnancy

Lungs are largely mature; complications from early delivery drop sharply now.

Fetal size
Cantaloupe
Length
45 cm
Crown-to-heel
Weight
2.15 kg

Fetal development

  • Lung surfactant production is nearly complete.
  • Body fat accumulates rapidly.
  • Eyes appear bluish — final color is set within 6 months after birth.

Maternal changes

  • Walking becomes harder as the belly drops.
  • Practice contractions are more frequent.

Recommended checkups

  • Visits may move to weekly intervals.

Jump to week

Textbook averages. Individual variation is wide and this is not medical advice — confirm with your OB.