Week 14 of pregnancy

14 Weeks Pregnant

Second trimester

Baby size

About the size of a peach

8.7 cm

What's developing

The baby can make facial expressions and may even suck a thumb. Fine hair called lanugo begins to grow.

Common symptoms this week

  • Growing appetite
  • Round-ligament pain
  • Clearer skin for some
  • Increased energy

This is an estimate for information only — only about 1 in 20 babies arrive on their due date. Always confirm dates with your midwife or doctor.

How big is a baby at 14 weeks?

Baby growth chart

Typical fetal length and weight from week 8 to week 40.

Weeks 8–40

Length

cm

Week 14: 8.7 cm

0153045816243240crown–heel →

Weight

grams

Week 14: 43 g

0500g1.5kg3kg816243240

Typical averages based on Hadlock / ACOG references. Weeks 8–20 use crown–rump length; weeks 21–40 switch to crown–heel — that's the small jump you'll see mid-chart. Real babies vary — your ultrasound is the reliable number for you.

Frequently asked questions

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