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Week 25 of pregnancy — what is happening and what to do

Mamiqa Editorial Team · updated September 12, 2026 · 6 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 25 is a good moment to look at your pregnancy calendar from above. The third trimester is ahead of you, and with it more visits and tests. Instead of rushing when something comes up, you can already set the rhythm of appointments and prepare one place for your documents. This layer is about organization, not medicine.

What to do in week 25

  • Settle how and how far in advance you book third trimester visits.
  • Add the dates of visits and tests for the coming weeks to your calendar.
  • Prepare one folder or note for your pregnancy notes and results.
  • Check that your pregnancy notes are up to date and that you carry them with you.
  • Write down the questions that came up this week.

How to plan the rhythm of visits in the third trimester

In the third trimester visits become more frequent, and each has a slightly different purpose: reviewing results, measuring your belly, talking about your baby's movements, and preparing for birth. It is worth settling with the facility how you book — by phone, online, or in person — and how far in advance. Put not only the dates in your calendar but also the times and the location, if tests are done somewhere other than the office.

  • Ask reception how visits are booked in the third trimester.
  • Note where laboratory tests and ultrasounds are done.
  • Check how to cancel or reschedule a visit if something comes up.
  • Decide who can go with you to a visit.

Documents worth keeping at hand

Your pregnancy notes and test results are documents you will need at every visit in the third trimester, and sometimes outside of them too. Keep them in one place — a folder or a note on your phone — and carry them with you when you leave home. Medical staff may need them if you end up at a facility other than the one managing your pregnancy.

  • Your pregnancy notes with recorded visits and results.
  • Laboratory results and ultrasound reports.
  • A list of the medications and supplements you take.
  • Phone numbers for your midwife, doctor, and the admission ward.

Questions written down in advance

Questions that come up during the week are easy to forget in the office. Jot them down as they appear, even one word at a time, and bring them to the visit. That way the conversation is about what matters to you, not just the current measurement. After the visit it is worth briefly writing down the answers so you don't rely on memory alone.

Tip

Keep one note for your whole pregnancy — loose papers and separate phone notes drift apart quickly.

Sleep and rest in the third trimester

In the third trimester sleep is often lighter and more interrupted — your belly is growing, and with it the position you feel comfortable in changes. Instead of fighting for your old rhythm, try building a new one: short naps during the day, going to bed earlier, and a calmer evening without screens. A pillow under your belly or between your knees helps take the load off your hips and back. If contractions, heartburn, or pressure on your bladder wake you at night, mention it at your visit — the staff usually have a few practical suggestions.

  • Plan rest during the day, not just sleep at night.
  • Arrange pillows so your belly and back have support.
  • Wind down in the evening — fewer stimuli make falling asleep easier.
  • Note what wakes you at night and bring the note to your visit.
  • Ask loved ones to help with the chores that tire you most.

Activity and your daily pace

The third trimester is a good time to shift from a pace of tasks to a pace of days. Activity still helps, but its form usually changes: shorter walks, gentle stretching, calm water exercise. At work it is worth taking breaks and changing position, and arranging your day so the hardest things fall when you have the most energy. Plan trips and longer commutes with plenty of time, with breaks to stretch your legs and water at hand. If something involves exertion or long sitting, ask the staff how to plan it.

  • Swap long workouts for shorter, regular activity.
  • Take breaks to change position, especially when working seated.
  • Plan trips with breaks and without rushing.
  • Carry water and a snack with you.
  • Ask at your visit whether your activity needs adjusting.

When to contact a doctor

  • • Fainting, severe abdominal pain, or headache requires contacting your doctor — don't wait for the scheduled visit.
  • • If your baby's movements seem different than before, call your midwife or the admission ward.
  • • In a life-threatening situation, call 112.

When to call a doctor or midwife

  • • Fainting or dizziness that doesn't pass.
  • • Severe abdominal pain, fever, or feeling significantly unwell.
  • • A change in your baby's movements that worries you.

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 25 in detail

Week 25: how your baby is growing — Cauliflower

At twenty-five weeks your baby is about the size of a cauliflower (around 346 mm). The hair now has color and texture, the hands are fully developed, and your baby reacts to loud sounds — and may move when startled by an unexpected noise.

Development at week 25

  • Hair with color and texture.
  • Hands fully developed.
  • Reacting to loud sounds.

Tip

Midwife's tip: your baby hears more and more clearly. Loud music or noise can startle them — calm sounds are soothing.

Sources

  1. NHS — You and your baby at 25 weeks — www.nhs.uk/pregnancy/week-by-week/13-to-27-weeks/25-weeks-pregnant/
  2. Mayo Clinic — Pregnancy week by week — www.mayoclinic.org/healthy-lifestyle/pregnancy-week-by-week

Week 25: what's happening in your body

Week twenty-five is when heartburn becomes a more frequent visitor. Your growing uterus presses on the stomach, and hormones relax the esophageal sphincter. Luckily, there are simple ways to keep it in check.

How to ease heartburn

  • Eat 5 small meals instead of 3 large ones.
  • Don't lie down right after eating.
  • Sleep with your head raised on a higher pillow.

What else helps

  • Almonds and cold milk have a soothing effect.
  • Avoid fatty, spicy, and acidic foods.
  • Cut back on fizzy drinks.

Tip

Midwife's tip: heartburn is a common companion of the second and third trimesters. If it's really bothering you, talk to your doctor about safe ways to ease it.

Sources

  1. NHS — Indigestion and heartburn in pregnancy — www.nhs.uk/pregnancy/related-conditions/common-symptoms/indigestion-and-heartburn/

Week 25: Hair and eye color — what you can do today

Week twenty-five is a good time to start thinking about choosing a hospital. It's one of the bigger decisions, and the earlier you start your research, the calmer your choice will be. Take a look at the checklist in the app.

Your tasks for this week

  • Start researching hospitals in your area.
  • Check reviews and the standard of care.
  • Write down questions for your midwife or doctor.

What to look for

  • Access to anesthesia and the birthing rooms.
  • Whether a companion can be present at the birth.
  • Their approach to breastfeeding and skin-to-skin contact.

Tip

Midwife's tip: choosing a hospital isn't a race. Gather information, visit the facility, ask questions — and choose the place where you feel safe.

Sources

  1. Polish Ministry of Health — perinatal care standard — www.gov.pl/web/zdrowie/standard-organizacyjny-opieki-okoloporodowej

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 — "Antenatal (pregnancy) care and appointments" — www.nhs.uk/pregnancy/your-pregnancy-care/your-antenatal-care-and-appointments/
  2. NICE — "Antenatal care" (NG201) — www.nice.org.uk/guidance/ng201
  3. Ministry of Health — "Organizational standards of perinatal care" (regulation) — dziennikmz.mz.gov.pl
  4. National Health Fund — information for patients — www.nfz.gov.pl
  5. NHS — You and your baby at 25 weeks — www.nhs.uk/pregnancy/week-by-week/13-to-27-weeks/25-weeks-pregnant/
  6. Mayo Clinic — Pregnancy week by week — www.mayoclinic.org/healthy-lifestyle/pregnancy-week-by-week
  7. NHS — Indigestion and heartburn in pregnancy — www.nhs.uk/pregnancy/related-conditions/common-symptoms/indigestion-and-heartburn/
  8. Polish Ministry of Health — perinatal care standard — www.gov.pl/web/zdrowie/standard-organizacyjny-opieki-okoloporodowej

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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.