If you’ve been searching for third trimester symptoms, you’re probably wondering if everything you’re feeling is normal. As a mom of two and a maternity photographer, I know these final months can feel exciting, uncomfortable, and sometimes overwhelming. One day you’re organizing the nursery, and the next you’re wondering how you’ll make it through another week of heartburn, swollen feet, or sleepless nights. The good news is that many of these changes are a normal part of preparing to meet your baby.
The third trimester begins around week 28 and lasts until birth. While every pregnancy is different, knowing what to expect each week can help you feel more confident as your due date gets closer.
Third Trimester Symptoms Week by Week
Weeks 28–30
As you enter the third trimester, your baby is growing rapidly, and your body is working harder than ever. It’s common for symptoms from early pregnancy, especially fatigue, to return.
During these weeks, you may notice:
- Fatigue
- Lower back pain
- Heartburn
- Mild swelling in your feet and ankles
- Shortness of breath
- Stronger baby movements
Your growing belly shifts your center of gravity, which can make everyday activities feel more tiring. If you’re feeling exhausted again, you’re not alone.
Related reading: Pregnancy Fatigue by Trimester
Weeks 31–33
By now, your baby continues gaining weight and developing rapidly. At the same time, your body is preparing for labor, so you may experience new discomforts.
Common third trimester symptoms during this stage include:
- Braxton Hicks contractions
- Frequent urination
- Trouble sleeping
- Swollen feet and hands
- Leg cramps
- Pelvic discomfort
Braxton Hicks contractions, often called “practice contractions,” are usually irregular and often improve with rest, hydration, or changing positions. They can feel surprising, especially if this is your first pregnancy.
Sleep may also become more challenging as your baby grows. A pregnancy pillow, sleeping on your side, and keeping your bedroom cool can make nights a little more comfortable.
What Symptoms Are Normal?
Many moms compare symptoms with friends or online groups, but pregnancy isn’t one-size-fits-all. Some women experience nearly every symptom, while others have very few.
Normal third-trimester symptoms may include:
- Feeling tired more easily
- Mild swelling
- Heartburn
- Occasional Braxton Hicks contractions
- Increased baby’s movements
- Back and pelvic discomfort
As long as your healthcare provider says you and your baby are healthy, these changes are usually part of a normal pregnancy.
However, contact your provider right away if you notice:
- Heavy bleeding
- Severe headaches
- Vision changes
- Sudden or severe swelling
- Decreased baby movement
- Regular contractions before 37 weeks
One thing I’ve learned through my own pregnancies and from photographing so many expecting mothers is that these weeks often feel longer than they really are. You’re counting down the days, trying to stay comfortable, and imagining what life will be like once your baby arrives.
Weeks 34–36
As you move closer to your due date, your baby is running out of room to move. Kicks may feel less dramatic, but they should still be regular. Instead of sharp jabs, you may notice more stretching, rolling, and pressure.
Common third trimester symptoms during this stage include:
- Increased pelvic pressure
- Lightning crotch (sharp pelvic pain)
- More frequent Braxton Hicks contractions
- Leaking colostrum
- Nesting instinct
- Difficulty getting comfortable
Many babies also move into a head-down position around this time, which can make it easier to breathe but increase pressure on your pelvis and bladder.
This is also a great time to finish packing your hospital bag, install your baby’s car seat, and finalize your birth plan if you haven’t already.
Weeks 37–40
At 37 weeks, your pregnancy is considered full term, and your baby could arrive at any time. While some moms deliver before their due date, others may go past 40 weeks.
During these final weeks, you may notice:
- Stronger pelvic pressure
- More frequent Braxton Hicks contractions
- Loss of the mucus plug
- Bloody show
- Water breaking
- Changes in baby’s movement as space becomes limited
Many moms spend these weeks wondering if every cramp or contraction means labor has begun. True labor contractions become stronger, more regular, and don’t stop with rest or hydration.
Related reading: Signs Labor Is Near: What to Expect in the Final Weeks
Common Third Trimester Symptoms
Even though third trimester symptoms can change as your due date approaches, some discomforts are common throughout these final months.
Fatigue
As your baby grows, your body uses more energy. Poor sleep and carrying extra weight can leave you feeling exhausted again.
Heartburn
Pregnancy hormones relax the muscles that normally keep stomach acid in place, while your growing uterus pushes upward on your stomach. Eating smaller meals and avoiding spicy or greasy foods may help.
Swelling
Mild swelling in your feet, ankles, and hands is common, especially after standing for long periods. Staying hydrated, walking regularly, and elevating your feet can improve circulation.
Trouble Sleeping
Frequent bathroom trips, an active baby, heartburn, and finding a comfortable position can all make restful sleep difficult. Sleeping on your side with a pregnancy pillow often provides the most support.
How to Feel More Comfortable During the Third Trimester
While you can’t eliminate every symptom, these simple habits may help you feel your best:
- Rest whenever your body tells you to.
- Drink plenty of water.
- Eat balanced meals with protein and healthy fats.
- Go for short walks if your provider approves.
- Stretch gently or try prenatal yoga.
- Wear supportive shoes.
- Accept help from family and friends.
Remember, taking care of yourself is also taking care of your baby.
When Should You Call Your Healthcare Provider?
Most pregnancy symptoms are normal, but some require prompt medical attention.
Contact your healthcare provider immediately if you experience:
- Heavy vaginal bleeding
- Severe or persistent headache
- Vision changes
- Sudden swelling in your face or hands
- Decreased fetal movement
- Water breaking before labor begins
- Regular contractions before 37 weeks
- Severe abdominal pain
If something doesn’t feel right, trust your instincts. It’s always okay to call your provider with questions.
As a Mom of Two, Here’s What I Remember Most
Looking back, I don’t remember every sleepless night or every ache. What I remember most is the anticipation.
Those final weeks are filled with excitement, wondering who your baby will look like, imagining the first time you’ll hold them, and realizing your life is about to change forever.
As a maternity photographer, I’ve had the privilege of meeting so many moms during this season. Whether it’s their first baby or their fourth, one thing they often tell me is how quickly pregnancy becomes a memory. Even if these last weeks feel long, they truly pass faster than you think.
These Last Weeks Are Worth Remembering
Pregnancy isn’t always comfortable, but it is a chapter you’ll never experience with this baby again.
The tiny kicks, the growing bump, and the excitement of waiting are all part of your family’s story. That’s one reason I believe maternity portraits are so meaningful. They preserve not just what you looked like, but what this season felt like before everything changed.
Maternity Photography in Yucaipa and the Inland Empire
If you’re in your third trimester, now is the perfect time to schedule your maternity session before your baby arrives. I photograph expecting families throughout Yucaipa, Redlands, Beaumont, and the Inland Empire, creating timeless portraits that celebrate this incredible season.
My sessions are relaxed and fully guided, with a studio wardrobe available so you don’t have to worry about what to wear. Together, we’ll create artwork that reminds your family of this chapter long after your baby is in your arms.
If you’re ready to preserve these final weeks, I’d love to invite you to browse my maternity portfolio or reach out through my contact page to start planning your session.
Frequently Asked Questions
What symptoms are normal in the third trimester?
Common symptoms include fatigue, heartburn, Braxton Hicks contractions, swelling, pelvic pressure, back pain, and trouble sleeping.
What week does the third trimester become the hardest?
Many moms find weeks 34–38 the most physically challenging because of increased baby size, discomfort, and interrupted sleep. However, every pregnancy is different.
How can I tell if labor is getting close?
Signs labor may be approaching include regular contractions, losing your mucus plug, your water breaking, increased pelvic pressure, and bloody show.
Are Braxton Hicks contractions normal?
Yes. Braxton Hicks contractions are a normal part of pregnancy and are often irregular. Unlike true labor, they usually improve with rest or hydration.
When should I go to the hospital?
Follow your healthcare provider’s instructions, but generally you should go when your contractions are regular and close together, your water breaks, or if you experience any concerning symptoms.
When is the best time for maternity photos?
Most maternity sessions are scheduled between 28 and 34 weeks, when your baby bump is beautifully visible but you’re usually still comfortable enough to enjoy the experience.