Third Trimester
How often should I feel my baby move? (Week 28)
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Medical review: Content reviewed for accuracy based on current medical guidelines
Disclaimer: This article is for educational purposes only and is not medical advice. Always consult your healthcare provider for personalized guidance.
Fetal Development
At 28 weeks, your baby is the size of an aubergine, measuring approximately 37.6 centimetres from crown to heel and weighing roughly 1 kilogram (2.2 pounds). They are settling into a regular sleep-wake cycle, and their movements are becoming much more distinct and predictable. ACOG stresses the importance of monitoring movements from this point forward, as consistent activity is a primary indicator of foetal well-being.
The baby's brain is continuing its rapid expansion and folding. The billions of neurons are forming complex networks, allowing the baby to process sensory information more efficiently. They can now open and close their eyes, perceive light and dark, and respond to external stimuli with coordinated movements. Their brain waves are showing distinct patterns of active sleep (REM sleep), which is crucial for neurological development.
The lungs are maturing steadily. The intricate branches of the respiratory tree are fully formed, and the production of surfactant is increasing. This vital substance prevents the tiny air sacs from collapsing, ensuring the lungs can inflate properly after birth. While they are still practicing breathing movements by inhaling amniotic fluid, their respiratory system is becoming increasingly robust.
The baby's immune system is getting a significant boost. They are actively absorbing your antibodies through the placenta, which will provide them with crucial passive immunity against various infections during their first few months of life. This incredible biological transfer is one of the many ways your body protects the baby even before they are born.
The baby's skin is becoming smoother and less wrinkled as they continue to accumulate white fat. This fat will help regulate their body temperature after birth and provides the energy reserves they need for the demanding process of labour and delivery. The fine, downy hair called lanugo is beginning to shed, although some may remain at birth.
Finally, the baby's spine is becoming stronger and more rigid to support their growing body. The intricate network of nerves running through the spinal cord is fully myelinated, allowing for rapid and efficient transmission of signals between the brain and the rest of the body. You are likely feeling very strong, distinct kicks and rolls as they exercise these developing muscles.
| Development | Status at Week 28 |
|---|---|
| Movement | Establishing a distinct, recognisable pattern of activity. |
| Brain | Showing distinct patterns of active (REM) sleep. |
| Lungs | Increasing surfactant production for future independent breathing. |
| Immune System | Absorbing maternal antibodies to build early immunity. |
| Size | Approximately 37.6cm long, weighing roughly 1 kilogram. |
Your Body
At 28 weeks, your uterus has grown to about eight centimetres above your belly button. Your bump is a prominent, beautiful feature, and your weight gain should be steady. You should now be familiar with your baby's unique pattern of movement. There is no set number of kicks; it's about what is normal for *your* baby. Some babies are naturally more active in the evening, while others are busy after you eat.
You may find yourself feeling increasingly breathless as the growing uterus pushes upwards against your diaphragm. This is normal mechanical crowding. Your body is actually taking in more oxygen with each breath to supply the baby, but the physical pressure makes it feel harder to breathe deeply. Take things slowly, maintain good posture, and rest when you feel winded.
Your cardiovascular system is still working incredibly hard, which can lead to mild swelling (oedema) in your ankles and feet. This is caused by fluid retention and the heavy uterus pressing on the pelvic veins, slowing the return of blood from your lower body. Elevating your legs whenever possible and wearing supportive footwear can help manage this common symptom.
You might also experience an increase in lower backache. As your centre of gravity shifts forward, you naturally lean back to compensate, putting extra strain on your lumbar muscles. The pregnancy hormone relaxin is also loosening your pelvic joints, contributing to the discomfort. Avoid heavy lifting, wear flat shoes, and consider using a maternity support belt for added stability.
Braxton Hicks contractions (practice contractions) may become more frequent and noticeable. You might feel your abdomen suddenly tighten and become hard for a few seconds before relaxing again. These should be painless and irregular. They are often triggered by physical exertion, a full bladder, or dehydration. If you experience them, sit down, rest, and drink a large glass of water.
Sleep can become increasingly challenging. Finding a comfortable position is difficult with a large bump, and you may be waking frequently to urinate as the uterus presses on your bladder. Always sleep on your side, preferably the left, to ensure optimal blood flow to the baby. Utilize a large pregnancy pillow to support your back, bump, and hips.
Finally, you may notice small amounts of colostrum leaking from your nipples. This thick, yellowish fluid is the highly nutritious 'first milk' your body produces in preparation for breastfeeding. It is completely normal to leak colostrum at this stage, just as it is completely normal not to leak at all. If it bothers you, use soft breast pads inside your bra.
Emotional Well-being
Monitoring movements can be stressful. I once had a patient, Chloe, who came to triage three times in one week because she was so anxious about her baby's movements. She had downloaded an app that told her she needed ten kicks an hour, which is outdated advice.
I explained that it is about *her* baby's normal pattern, not an arbitrary number. It is always better to be checked if you are worried, but understanding your unique baseline is key.
The anxiety about labour and delivery often intensifies as the due date approaches. The fear of the unknown, the fear of pain, and the fear of complications are all valid concerns. The best way to manage this anxiety is through education. Start reading positive birth stories, discuss your fears openly with your midwife, and consider enrolling in an antenatal class to learn practical coping mechanisms.
The 'nesting' instinct is likely becoming stronger. You may feel an overwhelming urge to clean, organize, and prepare your home. This is a primal biological response designed to ensure a safe environment for the baby. Channel this energy into productive tasks, but be careful not to overexert yourself. Delegate heavy lifting and strenuous chores to your partner or family members.
Bonding with your baby continues to deepen. Because they can now hear clearly and respond to light, interacting with your bump becomes a two-way street. Talking, singing, or gently prodding your abdomen when the baby kicks can be a wonderful way to connect. Encourage your partner to participate in these interactions to help them build their own bond with the baby.
You may also start feeling a sense of urgency regarding practical preparations. This is an excellent time to finalize your birth plan, book your antenatal classes, and start packing your hospital bag. Tackling these tasks early can help reduce anxiety as your due date approaches, giving you a sense of control over the process.
You may find yourself experiencing vivid, sometimes bizarre dreams. Pregnancy hormones, combined with disrupted sleep and subconscious anxieties about motherhood, can lead to highly intense dream cycles. Try not to read too much into them; they are simply your brain's way of processing the massive life changes ahead. Discussing them with your partner can often provide a good laugh.
Finally, remember to prioritize your relationship with your partner. The focus is naturally shifting towards the baby, but it is vital to maintain your connection as a couple. Plan regular date nights, discuss your hopes and fears for the future, and ensure you are supporting each other emotionally. Use our free due date calculator to help visualize the remaining weeks and plan your time together.
Symptoms & Management
Sciatica (shooting pain down the leg) can occur as the baby presses on nerves in your pelvis. This sharp, tingling pain usually radiates from your lower back down through your buttocks and into your leg. Prenatal yoga, gentle stretching, and warm baths can help relieve the pressure. If the pain is severe, consult a physiotherapist who specializes in pregnancy.
If you experience Braxton Hicks contractions, the first line of defence is hydration. Drink a large glass of water immediately, as dehydration is a primary trigger for uterine irritability. Change your position; if you have been standing, sit down, and if you have been sitting, go for a gentle walk. They usually subside with rest and hydration.
Leg cramps, particularly at night, remain a very common and painful complaint. To prevent them, ensure you are drinking plenty of water throughout the day. Gentle calf stretches before getting into bed can be highly effective. If a cramp strikes, straighten your leg and firmly flex your toes back towards your shin. A gentle massage can also help soothe the muscle.
Heartburn and indigestion may continue to flare up as your growing uterus pushes upwards against your stomach. Stick to the strategy of eating small, frequent meals. Avoid eating large meals late in the evening, and steer clear of spicy, greasy, or highly acidic foods. Sleeping with your head and shoulders slightly elevated on extra pillows can help prevent stomach acid from splashing upwards.
To manage mild swelling (oedema) in your ankles, the most effective strategy is elevation. Whenever you are sitting, prop your feet up on a stool or a stack of pillows so they are higher than your hips. Avoid standing completely still for long periods. Regular, gentle exercise like walking or swimming helps improve circulation and reduce fluid retention.
Backache is a persistent companion for many women at this stage. Continue to practice excellent posture. When sitting, ensure your lower back is supported. Avoid heavy lifting entirely. A warm bath, a prenatal massage, or the use of a maternity support belt can provide wonderful relief for aching lumbar muscles. Gentle prenatal yoga is also excellent for maintaining flexibility.
Pay attention to your dental health. Pregnancy gingivitis can cause your gums to bleed easily due to increased blood flow and hormonal changes. Use a soft-bristled toothbrush and floss gently every day. If your gums are painful or severely swollen, schedule an appointment with your dentist. Maintaining good oral hygiene is crucial for your overall health during pregnancy.
Checklist
At 28 weeks, it is time to start tackling the larger practical tasks and preparing for the final stretch of your pregnancy.
Actionable Tasks for the Support Person:
- Learn the baby's movement patterns: Pay attention to when the baby is most active so you can help monitor and reassure her. If she is worried about reduced movement, encourage her to contact the maternity unit immediately.
- Take over the heavy lifting: Ensure she is resting with her feet up in the evenings. Take over all heavy lifting, carrying groceries, and strenuous household chores to protect her back and reduce her physical strain.
- Draft a preliminary birth plan: Sit down together and start discussing your preferences for labour and delivery. Do you want a hospital birth or a home birth? What are your thoughts on pain relief? Start drafting a flexible birth plan to discuss with your midwife.
- Look into maternity/paternity leave: Review your respective company policies regarding parental leave. Understand your financial entitlements and start planning the logistics of your time off work.
- Provide physical comfort: Offer gentle lower back massages to ease her aching muscles. Ensure she has a comfortable setup to elevate her swollen feet in the evenings.
When to Call the Doctor
While entering the third trimester is an exciting milestone, you must be vigilant for signs of preterm labour or serious complications.
Seek Immediate Medical Attention (Go to A&E or contact maternity triage):
- Reduced foetal movement: Contact your maternity unit immediately if you notice any reduction or change in your baby's normal movement pattern. Do not wait until the next day or use a home doppler for reassurance.
- Severe, sudden swelling or headaches: Call your doctor if swelling is sudden and severe in your face or hands, which can indicate pre-eclampsia. This is often accompanied by a severe headache or visual disturbances.
- Regular, painful contractions: Contact your doctor immediately if contractions become painful, regular (more than 4 in an hour), or do not stop when you rest and hydrate. This could indicate preterm labour.
- Fluid leaking from the vagina: A sudden gush or a continuous trickle of clear, watery fluid could mean your waters have broken prematurely. This requires urgent medical attention.
Looking Ahead
Next week, we look at the 29-week milestone and discuss the importance of finalising your birth plan.
Make sure to read ahead to our week 29 guide, and don't forget to use our free due date calculator to track your exact progression through the third trimester!