Day 256 of 280 · 36 weeks + 4 days
The weekly check
Last reviewed · 3 min read · 9 sources · Plain-text version
Thirty-six weeks and four days. Checkups are weekly now. Today you bring three questions, and leave knowing your blood pressure and when to call.
- Size this week
- about the size of a romaine lettuce
- Length this week
- around 47.4 cm from head to heel

Thirty-six weeks and four days. Weekly checkups can start to feel like a formality: in, measured, out. They're short, but they're where problems get spotted early. Today is about getting more out of fifteen minutes.
Your baby

Your baby is around 47.4cm from head to heel, about the size of a romaine lettuce (NHS). At each visit now, your provider measures your belly and checks the baby's heart rate (OWH) and how the baby is lying (MedlinePlus). It's the closest you get to a weekly report.
Your body
The NHS's list for this week starts with going to your antenatal appointment, for blood pressure, urine, and bump checks (NHS). MedlinePlus adds weight and a conversation about delivery timing (MedlinePlus). Prenatal care, it says, "lets your provider spot health problems early" (MedlinePlus).
Blood pressure is the reading to know. The CDC says high blood pressure in pregnancy is diagnosed at 140/90 or higher on two readings taken at least 4 hours apart, and that 160/110 or higher is severe and "requires prompt medical attention" (CDC). Preeclampsia, high blood pressure with signs of liver or kidney damage, starts after 20 weeks, and MedlinePlus puts it at 3% to 7% of pregnancies (MedlinePlus). Most weeks your number will be ordinary. Knowing it means you'll notice when it isn't.
Try today
The weekly-check questions
Time: 5 minutes before, 5 minutes during
On the note you bring, write: "Which way is the baby lying?" Position is part of every third-trimester visit (MedlinePlus).
Write: "What's my blood pressure?" and copy the numbers down when they tell you (NHS).
Write: "What should make me call you before next week?" and write the answer under it.
Add anything that's been bothering you, however small. Ask it first, before the visit runs out of time.
Make it work:Keep the same note for every visit until birth. A column of blood pressure numbers tells a story a single reading can't.
Watch for
Normal
an occasional headache; headaches are common in pregnancy (MedlinePlus).
Call your provider
right away for a headache that won't go away or gets worse over time (CDC); near the end of pregnancy, headaches can signal preeclampsia (MedlinePlus).
Normal
tired eyes at the end of a long day.
Call your provider
right away for vision changes or blind spots (MedlinePlus).
Normal
swollen hands and feet, which are on this week's list (NHS).
For you
You are allowed to take up the time. A question that feels silly in the car is usually the one worth asking in the room.
If you're the partner: come to one of these if you can. The CDC's advice on blood pressure in pregnancy is simple: go to every appointment (CDC). Being there means two people know the numbers.
Sources
- NHS. "Week 36." 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-36/
- Office on Women's Health. "Prenatal care and tests." U.S. Department of Health and Human Services. https://womenshealth.gov/pregnancy/youre-pregnant-now-what/prenatal-care-and-tests
- MedlinePlus. "Prenatal care in your third trimester." National Library of Medicine. https://medlineplus.gov/ency/patientinstructions/000558.htm
- MedlinePlus. "Prenatal Care." National Library of Medicine. https://medlineplus.gov/prenatalcare.html
- Centers for Disease Control and Prevention. "High Blood Pressure During Pregnancy." https://www.cdc.gov/high-blood-pressure/about/high-blood-pressure-during-pregnancy.html
- MedlinePlus. "Preeclampsia." National Library of Medicine. https://medlineplus.gov/ency/article/000898.htm
- MedlinePlus. "Aches and pains during pregnancy." National Library of Medicine. https://medlineplus.gov/ency/patientinstructions/000580.htm
- 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
- Office on Women's Health. "Stages of pregnancy." U.S. Department of Health and Human Services. https://womenshealth.gov/pregnancy/youre-pregnant-now-what/stages-pregnancy
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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