Week 17 of pregnancy — 2nd trimester. Baby is the size of a pear 🍐, approximately 13.0cm long and weighing 140g. Fat stores developing. Baby can hear sounds outside the womb. 42% of the 40-week journey complete, 23 weeks remaining.
PREGNANCY WEEK 17 — 2nd TRIMESTER
🍐
pear
baby is about the size of a pear
WEEK
17
of 40
LENGTH
13cm
crown to rump
WEIGHT
140 g
approximate
23 weeks remaining · Fat stores developing. Baby can hear sounds outside the womb.
WEEK 17 — BABY'S DEVELOPMENT
2ND TRIMESTER · Weeks 13–26
Fat stores developing. Baby can hear sounds outside the womb.
HOW YOU MAY FEEL
Round ligament pain possible. Baby may hear your voice now.
WEEK 17 KEY FACTS
Gestational age
Week 17
Trimester
2nd (T2)
Baby length
13cm
Baby weight
140 g
Progress
42% complete
Weeks left
23 weeks
What happens at week 17 of pregnancy?
At week 17 of pregnancy (2nd trimester):\n\nBaby development: Fat stores developing. Baby can hear sounds outside the womb.\n\nBaby size: pear 🍐\nLength: approximately 13.0cm (crown to rump)\nWeight: approximately 140g\n\nPregnancy progress: 42% complete (23 weeks remaining)\n\nGestational age is counted from the first day of your last menstrual period (LMP), not from conception. Week 17 begins on day 113 and ends on day 119 from your LMP.
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Pregnancy week 17 · 2nd trimester · Baby size: pear 🍐 · 13.0cm · 140 g · Sources: ACOG, WHO fetal growth data