All pregnancy weeks

Pregnancy week 18

Trimester 2 · Baby is about a sweet potato

The baby yawns, stretches and hears your heartbeat and voice.

How your body may feel

  • Movements become clearer.
  • Dizziness when standing quickly.
  • Heartburn may begin.

Self-care this week

  • Eat smaller meals to reduce heartburn.
  • Avoid lying flat straight after eating.
  • Rise slowly from sitting or lying.

Milestone

The anomaly scan is usually offered between 18–22 weeks.

Seek care urgently if you notice

  • Severe headache that will not clear, or blurred vision and flashing lights
  • Any vaginal bleeding, or fluid leaking from the vagina
  • Sudden swelling of the face, hands or feet
  • Burning or painful urination, or fever
  • Reduced or absent baby movement once a pattern is established