Sizes are averages; from week 20 length is measured head to heel. Not sure which week you’re in? Calculate it.
Your baby at 13 weeks
Vocal cords are forming and fingerprints are appearing on the tiny fingertips. The bones of the arms and legs are hardening. The placenta has taken over most hormone production.
Your body at 13 weeks
This is the last week of the first trimester. Energy often returns and libido may increase. Some women notice a clear or milky vaginal discharge (leucorrhoea), which is normal if it isn’t itchy or smelly.
Common symptoms this week
- Returning energy
- Normal white discharge
- Increased libido
Tips & to-do list
- Ask your doctor about starting iron-folic acid and calcium tablets from the second trimester, as recommended in India.
- A single dose of albendazole for deworming is usually given after the first trimester.
- Consider a pregnancy pillow for comfort.
Check-ups and tests around this week
- NT scan + double marker test (11w 0d – 13w 6d)
- Start iron-folic acid and calcium supplements; single dose of albendazole after the first trimester
Week 13 at a glance
| At 13 weeks | |
|---|---|
| Trimester | First trimester |
| Pregnancy month | Month 3 of 9 |
| Weeks to due date | 27 weeks |
| Days pregnant | 91–97 days |
| Progress | 32% of 40 weeks |
When to call your doctor
Contact your doctor or go to hospital straight away if you notice:
- Heavy vaginal bleeding or passing clots
- Severe or one-sided abdominal pain, shoulder-tip pain or fainting (possible ectopic pregnancy)
- Vomiting so severe you can’t keep fluids down
- Fever above 38 °C or burning urination
Questions about 13 weeks pregnant
How many months is 13 weeks pregnant?
13 weeks pregnant falls in month 3 of pregnancy, in the first trimester. For medical purposes, weeks and days are more precise than months.
How big is my baby at 13 weeks?
At 13 weeks your baby is about the size of a pea pod (matar ki phalli) – roughly ~7.4 cm long and weighing about ~23 g.
Is it normal to have no symptoms at 13 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.
Jump to any week
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.