All weeks

Second Trimester

Week 27 of pregnancy

Your baby is the size of a cabbage.

Length: 36.6 cm / 14.4 in · Weight: 875 g / 30.9 oz

Baby at 27 weeks

  • Last week of second trimester (or first of third, depending).
  • Baby has regular sleep/wake cycles.
  • Lungs continue to mature.

What you may feel

  • Bigger bump.
  • Movements stronger + sometimes painful.
  • Possible Braxton Hicks.
  • Increased fatigue.

This week’s checklist

  • Tour maternity unit if possible.
  • Plan + buy car seat (must be installed before discharge).
  • Sleep on left side.

Key milestone

End of second trimester.

Doctor / midwife visits

28-week appointment + GTT + anti-D coming next week.

Top foods this week

Educational only — not medical advice. Always consult your midwife or GP. Sources: NICE NG201 antenatal care, NICE NG207 inducing labour, NHS, RCOG. Read the full medical disclaimer.