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Week 33 of pregnancy — what is happening and what to do

Mamiqa Editorial Team · updated September 12, 2026 · 7 min read

Content pending medical review. This material was prepared by the Mamiqa editorial team based on publicly available guidelines; it is not yet indexed by search engines and we show no ads on it until it has been reviewed by a medically qualified person.

Week 33 is a good moment to start packing your hospital bag — calmly and in stages. The bag does not have to be ready all at once; one spot at home and a short list you add things to is enough. This week pack the part you do not use day to day, and plan the rest for the last days before your due date.

What to do in week 33

  • Pack the small bag for the delivery room.
  • Prepare a firm folder for documents and slip your pregnancy record and test results into it.
  • Check that the power bank and charger work.
  • Write on a note the things to add in the last days.
  • Agree with someone close who will finish the packing if the trip turns out to be sudden.

Hospital bag — split your packing in two

Separating what you need in the delivery room from what you need on the ward after the birth makes packing easier. In the small bag put what you want at hand from the very first moment. The bigger bag can calmly wait in the trunk or on the hospital corridor until you move to the ward.

  • Small bag for the delivery room: documents in a folder, water, a snack, charger, glasses, lip balm.
  • Bigger bag for the ward: a change of clothes, toiletries, slippers, a towel, a front-buttoning nightdress.
  • For the baby: a few bodysuits and sleepers, a hat, socks, a blanket, diapers.
  • For your birth partner: a change of clothes, their own snack, a power bank, change for the vending machine.
  • Documents in one firm folder — pregnancy record, test results, birth plan, ID.

Tip

Hang a short bag list somewhere visible — if the trip turns out to be sudden, someone close to you can finish the packing for you.

What to leave for the last days

Some things you use every day, so packing them now would only make life harder. Leave them for a few days before your due date and add them to the list so nothing slips through.

  • Add your toothbrush, cosmetics, and phone to the bag closer to the date.
  • Prepare clothes for you and the baby for the trip from the hospital home.
  • Check that the power bank charges and the cable fits your phone.
  • Know where the spare keys and documents are so someone close can bring them.

What is not worth taking

Too many things make it harder to find what you need, and most small items can be brought in later. It is better to take less and stay organized than to dig through an overstuffed bag.

  • Instead of your whole makeup bag — a few tried-and-true cosmetics in small sizes.
  • Instead of valuable jewelry and lots of cash — just some change for the vending machine.
  • Instead of several pairs of shoes — comfortable slippers and one pair for going out.
  • Instead of a stack of books — headphones and one light read.

Work, leave, and handing over your duties

If you work, this is a good moment to tidy up work matters rather than leaving them for the last days. Write down which tasks you handle, where the needed files are, and who can take them over. Agree with your employer how you will communicate your absence and who your contact will be in the first days after the birth. Closing these matters early lifts more weight off your mind than you might expect.

  • Write in one document who takes over your tasks and where the needed files are.
  • Agree that one person on the team communicates your absence — it limits the number of calls.
  • Check the deadlines for documents related to your leave and benefits.
  • Set up an automatic reply and message forwarding at work.

Sleep and rest in the third trimester

At the end of pregnancy sleep is often broken and mornings come heavily. A steady rhythm helps: a similar bedtime, lights dimmed, and an aired-out bedroom. If lying on your back is uncomfortable, change position and tuck a pillow under your belly, between your knees, or behind your back. A short nap during the day helps you last until the evening in better shape.

  • Go to bed and get up at similar times, even on weekends.
  • Limit screens in the hour before bed.
  • Keep a pillow in bed that supports your belly or knees.
  • If you cannot fall asleep, get up for a while and come back when you feel sleepy.

First notes for your birth plan

A birth plan is best started as a plain note, not a ready-made form. Write down what matters to you: whether you want someone by your side, how you picture the first moments after the birth, and what you would prefer to avoid. Come back to this list at your next visits and add the questions that come up. The note does not have to be finished right away — what matters is that it grows along with you.

  • Write down the three things that matter most to you.
  • Add the questions you want to ask your midwife or doctor.
  • Mark which points are needs and which are just wishes.

When to contact a doctor

  • • Leaking fluid, bleeding, or regular contractions before your due date are a reason to call the hospital and ask what to do.
  • • If your baby's movements have clearly changed, contact your midwife or the maternity assessment unit.
  • • With a severe headache, vision disturbances, or swelling of the face and hands, do not wait for your scheduled visit.
  • • In a life-threatening situation, call 112.

When to call a doctor or midwife

  • • Contractions that become regular and build up — call the hospital and ask when to come in.
  • • Your water breaking or fluid trickling — contact the maternity assessment unit.
  • • Reduced activity from your baby — report it to your midwife or doctor.
  • • Vaginal bleeding — call right away.

In a life-threatening situation call 112 or go to the nearest maternity hospital admission room — do not wait for a follow-up appointment.

Week 33 in detail

Week 33: how your baby is growing — Pineapple

At thirty-three weeks your baby is about the size of a pineapple (around 43 cm). Coordination keeps improving — your baby can grab the umbilical cord. The immune system is still under construction, and your baby receives antibodies from you through the placenta.

Development at week 33

  • Motor coordination keeps improving.
  • Grabs the cord and practices gripping.
  • Receives antibodies from mom.

Tip

Midwife's tip: your antibodies are your baby's first 'vaccine'. Healthy habits and the dTap vaccine in pregnancy strengthen this protection.

Sources

  1. NHS — You and your baby at 33 weeks — www.nhs.uk/pregnancy/week-by-week/28-to-40-weeks/33-weeks-pregnant/
  2. Mayo Clinic — Pregnancy week by week — www.mayoclinic.org/healthy-lifestyle/pregnancy-week-by-week

Week 33: what's happening in your body

At thirty-three weeks your baby is growing and creeping higher, which can cause rib pain and a feeling of pressure. It's normal, even if unpleasant. There are several ways to bring yourself relief.

Rib pain — how to ease it

  • An all-fours position unloads the ribs and gives your baby room.
  • Gentle torso stretches.
  • A warm compress on the sore spot.

What else helps

  • Comfortable, loose clothing.
  • Avoid tight bras.
  • Short walks improve circulation.

Tip

Midwife's tip: the all-fours position is a universal exercise — it unloads your spine and ribs and gives your baby space to get into position.

Sources

  1. NHS — Common pregnancy symptoms — www.nhs.uk/pregnancy/related-conditions/common-symptoms/

Week 33: Coordination — what you can do today

Week thirty-three is a good time to learn the perineal massage technique. Regular, gentle stretching of the tissue from week 34 can reduce the risk of an episiotomy and tearing during birth.

How to do perineal massage

  • Wash your hands and prepare a natural oil (for example almond oil).
  • Gently massage the perineum with your thumbs, stretching the tissue downward and sideways.
  • Do this for about 5 minutes a day, starting at week 34.

Safety rules

  • The massage should be gentle, never painful.
  • Don't do it if you have an intimate infection.
  • If in doubt, ask your midwife.

Tip

Midwife's tip: perineal massage is a simple, inexpensive tool — studies confirm it lowers the risk of episiotomy. It's worth starting and building the habit.

Sources

  1. NHS — Perineal massage — www.nhs.uk/pregnancy/labour-and-birth/planning-a-birth/perineal-massage/

Medical disclaimer

This article is educational in nature and does not replace advice from a doctor, midwife or other specialist. If in doubt, contact your attending physician.

This week is awaiting medical review: the page is not indexed and carries no ads until the content has been verified by a medically qualified person.

Sources

We base our content on these documents. Every medical claim in the guide is reflected in one of the publications below.

  1. NHS — "Pregnancy": care during pregnancy and preparing for birth — www.nhs.uk/pregnancy/
  2. NICE — "Antenatal care" (NG201) — www.nice.org.uk/guidance/ng201
  3. Ministry of Health — information on perinatal care — www.gov.pl/web/zdrowie
  4. NHS — You and your baby at 33 weeks — www.nhs.uk/pregnancy/week-by-week/28-to-40-weeks/33-weeks-pregnant/
  5. Mayo Clinic — Pregnancy week by week — www.mayoclinic.org/healthy-lifestyle/pregnancy-week-by-week
  6. NHS — Common pregnancy symptoms — www.nhs.uk/pregnancy/related-conditions/common-symptoms/
  7. NHS — Perineal massage — www.nhs.uk/pregnancy/labour-and-birth/planning-a-birth/perineal-massage/

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Publisher: Zordon Intelligence sp. z o.o., KRS 0001190915, NIP 7252358503. This content is educational and does not replace medical consultation.