Day 217 of 280 · 31 weeks
Head down, or not yet
Last reviewed · 2 min read · 5 sources · Plain-text version
Thirty-one weeks. Your baby may be head down or head up right now, and both are normal at this point. Today you ask which way, and write it down.
- Size this week
- about the size and weight of a coconut
- Length this week
- around 41.1 cm from head to heel

Thirty-one weeks. Nine weeks to go, give or take, and a question people start asking you in the corridor: has the baby turned yet? Today you find out what your provider thinks.
Your baby

Around now your baby is around 41.1cm long from head to heel, about the size and weight of a coconut (NHS). They're getting plumper and less wrinkled, with a final growth spurt expected in a couple of weeks (NHS).
Your baby may be lying head down, or head up, which is called breech. Some babies don't move down into the pelvis until labour starts (NHS).
Your body
At a visit around now, your midwife or doctor may measure your uterus and check the baby's position (NHS). MedlinePlus lists the same things for third-trimester visits: your weight, belly measurement, blood pressure, and the baby's position (MedlinePlus).
Position matters later, not now. The NHS says a breech position could affect the type of birth that's possible, and in some cases a caesarean may be recommended (NHS). If your baby still isn't head down by around week 36, a doctor or midwife may suggest ways to encourage a turn (NHS).
Try today
The position question
Time: 2 minutes at your next visit
Ask: "Which way is the baby lying right now?"
Write the answer and the date in your notes or phone.
If the answer is "head up" or "not sure yet," ask what, if anything, happens next and when.
Keep the note. You'll compare it with the answer at later visits.
Make it work:You don't need to do anything with the answer today. The point is to know, so the word "breech" never arrives as news at 36 weeks.
Watch for
Normal
your baby moving, kicking, and turning over as much as ever; the NHS says movements should continue at the same rate until birth.
Call your provider
promptly if the pattern changes or the movements stop (NHS).
Normal
puffy ankles by evening.
Call your provider
for sudden swelling in your hands or feet, or rapid weight gain, which may signal preeclampsia (OWH).
Normal
kicks that make you wince.
Call your provider
right away for severe belly pain that doesn't go away (CDC).
For you
There's time. The NHS's week 32 page says your baby is probably head down by then, and that it's fine if not yet (NHS). People will offer theories about the shape of your bump. You can let them. Whatever your provider says this week, it's one fact on one day, not a verdict on the birth.
If you're the partner, come to this visit if you can. Hearing the answer firsthand beats a summary in the car park.
Sources
- NHS. "Week 31." Week-by-week guide to pregnancy, Best Start in Life. https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/3rd-trimester/week-31/
- MedlinePlus. "Prenatal care in your third trimester." National Library of Medicine. https://medlineplus.gov/ency/patientinstructions/000558.htm
- NHS. "Week 32." Week-by-week guide to pregnancy, Best Start in Life. https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/3rd-trimester/week-32/
- Office on Women's Health. "Body changes and discomforts." U.S. Department of Health and Human Services. https://womenshealth.gov/pregnancy/youre-pregnant-now-what/body-changes-and-discomforts
- Centers for Disease Control and Prevention. "Urgent Maternal Warning Signs and Symptoms." HEAR HER campaign, 2024. https://www.cdc.gov/hearher/maternal-warning-signs/index.html
This guide is general education that summarizes published research and guidance from groups like the American Academy of Pediatrics, the CDC, and the WHO. It isn’t medical advice, and every child develops on their own timeline. Your pediatrician knows your child; if something feels wrong, call them. In an emergency, call 911.
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