Third trimester

Week 38 of Pregnancy

Weight and length are nearly final. Birth could be any day.

Fetal size
Leek
Length
49.8 cm
Crown-to-heel
Weight
3.08 kg

Fetal development

  • Eyes are blue or gray; final color develops postnatally.
  • Most lanugo has fallen off.
  • Most fetuses maintain a head-down position.

Maternal changes

  • Weight gain plateaus or dips slightly.
  • Pelvic and groin pain are common.

Recommended checkups

  • Weekly visits check cervical dilation and effacement.

Jump to week

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