Third trimester

Week 28 of Pregnancy

Rh-negative parents typically receive RhoGAM around this time.

Fetal size
Eggplant
Length
37.6 cm
Crown-to-heel
Weight
1.00 kg

Fetal development

  • REM sleep patterns appear.
  • Weight passes 1kg and rises quickly.
  • The retina matures.

Maternal changes

  • Shortness of breath and bathroom trips increase.
  • Foot and leg swelling can worsen.

Recommended checkups

  • RhoGAM injection for Rh-negative parents; discuss Tdap and flu vaccines.

Jump to week

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