Sizes are averages; from week 20 length is measured head to heel. Not sure which week you’re in? Calculate it.
Your baby at 17 weeks
The baby is starting to lay down fat, which will help keep them warm after birth. The skeleton is changing from soft cartilage to bone, the umbilical cord is growing thicker and stronger, and sweat glands are developing.
Your body at 17 weeks
Your centre of gravity is shifting forward, which can cause backache. Appetite is often strong now.
Common symptoms this week
- Backache
- Increased appetite
- Dizziness
Tips & to-do list
- Wear flat, supportive footwear.
- Keep your back straight and bend your knees when lifting.
- Healthy snacks: roasted chana, fruit, sprouts, curd.
Check-ups and tests around this week
- Quadruple marker test if first-trimester screening was missed (15–20 weeks)
- Anomaly / Level-II / TIFFA scan (18–22 weeks)
Week 17 at a glance
| At 17 weeks | |
|---|---|
| Trimester | Second trimester |
| Pregnancy month | Month 4 of 9 |
| Weeks to due date | 23 weeks |
| Days pregnant | 119–125 days |
| Progress | 42% of 40 weeks |
When to call your doctor
Contact your doctor or go to hospital straight away if you notice:
- Any vaginal bleeding or fluid leak
- Regular tightenings or period-like cramps before 37 weeks
- Severe headache, blurred vision or sudden swelling of face and hands
- Fever, or pain while urinating
Questions about 17 weeks pregnant
How many months is 17 weeks pregnant?
17 weeks pregnant falls in month 4 of pregnancy, in the second trimester. For medical purposes, weeks and days are more precise than months.
How big is my baby at 17 weeks?
At 17 weeks your baby is about the size of a pomegranate (anaar) – roughly ~13 cm long and weighing about ~140 g.
Is it normal to have no symptoms at 17 weeks?
Yes. Every pregnancy is different, and symptoms come and go. Feeling well is not a sign that something is wrong. If you have concerns, or notice any warning signs listed on this page, contact your doctor.
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Medical disclaimer: The results and information on this page are estimates for general education only. They are not a diagnosis and do not replace advice from your gynaecologist, obstetrician or midwife. If you have pain, bleeding, reduced baby movements or feel unwell, contact your doctor or call 108 immediately. Read the full disclaimer.