Congratulations—you’re 28 weeks pregnant and officially in the third trimester! Your baby at 28 weeks is the size of a large eggplant. They are roughly 36.1cm from the top of their head to their heel (crown-heel length) and they weigh approximately 1,189 grams. They’re developing more body fat and can even dream as their brain becomes more active. You may also notice stronger and more regular movements.
You are now 7 months pregnant – only 2 months to go!
Here’s what to expect at 28 weeks:
As your body prepares for labour, you might experience symptoms like back pain, Braxton Hicks contractions, or fatigue. Staying active with gentle exercises, maintaining a healthy diet, and taking time to rest will help you feel your best. Let’s explore what to expect at 28 weeks pregnant and share tips for navigating this exciting milestone.
Your baby at 28 weeks
By now, you might have started to pick up on your little one’s movement patterns. You’ve probably noticed that they are much more active when you’re trying to rest and more subdued when you’re active. It won’t be long now until you get to feel their little kicks and nudges in person!
Brain activity
Your baby’s brain development is kicking into overdrive. Starting now, their brain will triple in weight before their big arrival. Their senses of touch, smell, and hearing have already been developed and are functional.
They’re continuing to add tissue and billions of new nerve cells. The cerebrum is also developing deep grooves that will provide more surface area.
Funny faces
In utero babies at 28 weeks are able to stick out their tongues. Experts aren’t entirely sure why they do this; maybe they’re just curious as to what the amniotic fluid that surrounds them tastes like.
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Your body at 28 weeks pregnant
When pregnant at 28 weeks, your body is doing a lot to accommodate your growing foetus. You may start to notice new pregnancy symptoms popping up, or old ones making a return. Here are some common things to look out for around this time:
- Shortness of breath. Odds are you’ve already experienced shortness of breath during your pregnancy. However, as the third-trimester starts, this may increase as your baby continues to grow and your uterus pushes up against your diaphragm. Towards the very end of pregnancy, when your baby drops into your pelvis, this symptom might go away. For now, keeping a good posture will allow your lungs to expand more, which can make breathing easier. Sleeping on your left side also allows for better circulation.
- Braxton Hicks contractions. Commonly referred to as false labor pains, Braxton Hicks contractions are the sporadic tensing and relaxing of your uterine muscles. They can start as early as week 20 of pregnancy, but are more common in your third trimester. Unlike actual contractions that signal labor, Braxton Hicks contractions don’t occur regularly or get stronger as time passes. They usually go away when you change positions or get up and walk around.
- Weight gain. If you have a normal BMI (18.5 to 24.9) going into pregnancy, it’s recommended to gain between 11 to 16kg (25 to 35lbs) throughout your whole pregnancy. It’s important to keep this weight gain gradual, so you’re not putting on too much or too little at one time. Your baby needs a steady flow of nutrients. In the third trimester, it’s recommended to gain about 0.5kg (1lb) per week.
- Sensitive skin. During pregnancy, your body is changing and your hormones are surging more than ever. You may begin to notice subtle (or even not so subtle) differences in your skin. Perhaps the perfume you’ve been using for the last 5 years suddenly irritates your skin, or you develop food reactions. You may switch from an oily complexion to a dry one or vice versa. Pregnancy can cause a number of skin changes. Most are an annoyance, rather than something to worry about. However, if you ever feel extreme skin discomfort, speak to your health care provider.
Taking care of yourself during week 28 of pregnancy
Taking care of yourself helps to ensure a healthy pregnancy.
Here are some things to focus on this week:
- Stock your kitchen with healthy options. As your pregnancy progresses, you should continue to gain weight. It’s easy to get off track with pregnancy cravings, which is why keeping your kitchen stocked with wholesome food items is even much more important. Although it’s fine to indulge a little here or there, make sure to focus on nutrition for the bulk of your meals. You’ll be doing yourself and your baby a favour. A good diet is linked to healthy brain development and good birth weight. It will also help keep unwanted pregnancy symptoms like fatigue and anaemia at bay.
- Keep up with the Kegels. Strengthening your pelvic floor muscles helps support your uterus, bladder, and bowels. During pregnancy, these muscles loosen due to an increase in hormones. To do Kegel exercises, tighten the muscles around the vagina and hold for about 10 seconds, making sure to breathe normally. Try and aim for about 20 reps, five times a day.
- Take a power nap. It’s very common to feel tired when you’re pregnant. Lots of factors play a role in daytime fatigue, like hormonal changes, the strain of carrying around extra weight, and trouble sleeping at night. Never underestimate the power of a nap to fight exhaustion. Even taking just 20 to 30 minutes to rest will benefit your body and help you feel refreshed.
- Polish up your birth plan. A birth plan is very beneficial and will ensure you have a better-prepared labor and delivery. You’ve probably made the big decisions by now, like whether you want a natural birth or pain meds, or whether you’re hiring a doula or midwife. But you may have left some of the smaller details to think about, like what to pack in your hospital bag or what snacks to bring. Now is a great time to chip away at your birth plan so you’re not left scrambling for ideas right before your due date.
FAQs: 28 Weeks Pregnant – Start of the Third Trimester
How big is my baby at 28 weeks?
Around 28 weeks, your baby is about the size of a large aubergine, measuring roughly 38–40 cm from head to heel and weighing around 1 kg. Keep in mind these figures can vary slightly.
What key developments are happening now?
Your baby’s brain is growing rapidly, and they can open and close their eyes. The lungs are maturing further, and your baby may begin experiencing regular sleep and wake cycles.
Which pregnancy symptoms might I experience at 28 weeks?
As you enter the third trimester, you may notice more pronounced back or pelvic pain, swelling in the ankles or feet, heartburn, and potential leg cramps. Braxton Hicks contractions might also become more frequent.
Is weight gain expected at this stage?
Yes. Gradual weight gain typically continues through the third trimester. If you’re concerned about your weight changes, discuss them with your midwife or doctor for personalised guidance.
What should I focus on in my diet at 28 weeks pregnant?
Keep prioritising a balanced diet of fruits, vegetables, whole grains, lean proteins, and dairy (or alternatives). Adequate iron, calcium, and vitamin D remain essential. Staying hydrated can help with digestion and overall health.
Can I exercise safely in the third trimester?
Moderate, low-impact activities like walking, swimming, or prenatal yoga can help manage weight, reduce stress, and maintain fitness, provided your healthcare provider has no objections or concerns.
How can I manage heartburn or indigestion at this point?
Eating smaller, more frequent meals, avoiding spicy or fatty foods, and not lying down immediately after eating can help. If you experience persistent discomfort, consult your healthcare provider about safe treatments.
Why are Braxton Hicks contractions common now?
Braxton Hicks help prepare your uterus for labour. They can feel like tightening or mild cramps. If they become painful, regular, or frequent, contact your healthcare provider to rule out preterm labour.
What about back or pelvic pain at 28 weeks?
Your growing bump can strain your back and pelvis. Maintain proper posture, try gentle exercises, and use a supportive pillow while resting. If pain is severe or constant, seek professional advice.
Should I be concerned about swelling or oedema?
Mild swelling in the feet or ankles can be normal as pregnancy progresses. If the swelling is sudden, severe, or comes with headaches or vision changes, consult your doctor immediately, as these can be signs of pre-eclampsia.
How can I prepare for labour at 28 weeks?
Consider attending antenatal classes, finalising your birth plan, and discussing pain relief options with your midwife or doctor. Packing a hospital bag early can also help you feel more ready.
When should I contact my healthcare provider?
Seek help if you experience severe pain, heavy bleeding, fluid leakage, or a significant change in baby movements. It’s always better to speak with a professional if you’re worried about any aspect of your pregnancy.
Disclaimer: The information above is for general educational purposes and should not replace personalised medical advice. Always consult a qualified healthcare professional for concerns about your health or your pregnancy.
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