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Week 152nd TrimesterWeek 17
Baby at pregnancy week 16

Week 16

Your baby is the size of a Avocado

11.6 cm100 g2nd Trimester
Week 16 of 42Trimester 2
T1T2T3

16

Weeks

38%

Complete

182

Days left

🥑Avocado

Your baby is the size of a Avocado

11.6 cm

Length

100 g

Weight

What happens in week 16

  • 1Baby can hear! Your heartbeat and your voice
  • 2Toenails start growing
  • 3Facial muscles developing — baby practices expressions
  • 4Umbilical cord is now fully functional

Common symptoms

  • First baby movements possible (like butterflies in belly)
  • Pregnancy forgetfulness ('mummy brain')
  • Increased vaginal discharge
  • Breathlessness during exertion

Checklist for this week

  • Talk to your baby — it can hear you
  • Research birth preparation classes
  • Plan anatomy scan (weeks 19-22)

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This information does not replace medical advice. Contact your midwife or OB/GYN with questions.