Pregnancy and Back Pain: Why It Happens and How Chiropractic Care Can Help
Growing belly, aching back? Learn why pregnancy causes back and pelvic pain, the warning signs worth knowing, and how gentle, pregnancy-safe chiropractic care can help you feel more comfortable through each trimester.
Somewhere around the second trimester, getting out of bed stops being a simple, one-step process. There's the careful roll onto your side, the push up with your arms, the pause to let your lower back catch up to the rest of you. By the third trimester, it's a full production — and that's before you've even started your day.
If pregnancy has brought along aches in places you never expected — your lower back, your hips, that strange deep pain right at the front of your pelvis — you're in very good company. Studies suggest more than half of pregnant women experience back or pelvic pain at some point. It's common, but that doesn't mean it's something you simply have to grit your teeth through for nine months. Most pregnancy-related pain has a clear physical cause, and much of it responds very well to the right kind of gentle, pregnancy-safe care.Pregnancy and Back Pain: Why It Happens (and How Chiropractic Care Can Help)
Somewhere around the second trimester, getting out of bed stops being a simple, one-step process. There's the careful roll onto your side, the push up with your arms, the pause to let your lower back catch up to the rest of you. By the third trimester, it's a full production — and that's before you've even started your day.
If pregnancy has brought along aches in places you never expected — your lower back, your hips, that strange deep pain right at the front of your pelvis — you're in very good company. Studies suggest more than half of pregnant women experience back or pelvic pain at some point. It's common, but that doesn't mean it's something you simply have to grit your teeth through for nine months. Most pregnancy-related pain has a clear physical cause, and much of it responds very well to the right kind of gentle, pregnancy-safe care.
Why Pregnancy Causes So Many Aches and Pains
Hormonal changes. Your body produces a hormone called relaxin during pregnancy, which loosens the ligaments around the pelvis in preparation for birth. Helpful as that is for delivery, it also loosens joints and ligaments throughout the body more broadly, which can leave the spine and pelvis feeling noticeably less stable than usual.
A shifting centre of gravity. As your belly grows, your posture naturally adapts — the lower back curves further forward to keep you balanced, which increases load on the joints and muscles of the lower spine.
Added weight and changing load. Extra weight, carried in a very specific place, changes how load moves through your hips, knees, and feet, often well before the third trimester.
Postural shifts. Changes in breast size and belly weight tend to pull the shoulders forward and round the upper back, which can contribute to neck and upper back tension alongside the more commonly discussed lower back and pelvic pain.
Core and abdominal changes. As the uterus grows, the abdominal muscles stretch and gradually provide less of the core support they normally lend to the spine, shifting more of the stabilising work onto the back and pelvis.
Common Pregnancy-Related Pain Patterns
Lower back pain is the most common complaint, usually related to the postural and load changes above.
Pelvic girdle pain (including symphysis pubis dysfunction) causes pain around the pubic bone at the front, or the joints at the back of the pelvis, often worse with walking, climbing stairs, or turning over in bed.
Sciatica can develop when pelvic changes or the baby's position place pressure on the sciatic nerve, causing pain, tingling, or numbness that travels into the buttock or down the leg.
Round ligament pain — a sharp, brief pain low in the belly, often with sudden movement or position changes — is generally a normal part of pregnancy as ligaments stretch to support the growing uterus, though it's worth distinguishing from other pain patterns during an assessment.
When Pregnancy Pain Needs Immediate Medical Attention
Most pregnancy-related aches are a normal, manageable part of your body adapting. However, certain symptoms need prompt medical attention from your OB or midwife rather than home management. Contact your care provider immediately for:
Vaginal bleeding or fluid leaking
Severe or persistent headache, especially with vision changes or sudden swelling in the face or hands
Decreased or absent fetal movement
Regular contractions before 37 weeks
Severe abdominal pain that feels different from typical round ligament discomfort
Fever
Outside of these warning signs, the everyday back, hip, and pelvic discomfort many people experience during pregnancy is very responsive to appropriate, gentle care.
How Pregnancy-Safe Chiropractic Care Works
Chiropractic care during pregnancy looks different from a standard visit. Practitioners trained in prenatal care use adapted tables and supportive pillows that accommodate a growing belly, along with side-lying or other comfortable positions, and gentle techniques suited to the increased joint laxity of pregnancy.
An assessment focuses on your posture, pelvic alignment, and movement patterns, alongside a conversation about your specific symptoms, trimester, and any risk factors — always working alongside your OB or midwife as part of your broader care team, not in place of it. Many prenatal-trained chiropractors also use a specific technique aimed at reducing tension and improving balance around the pelvis and its supporting ligaments; if your practitioner uses this approach, they should be able to walk you through exactly what it involves and what the current evidence does and doesn't show.
Care commonly includes:
Gentle, pregnancy-adapted adjustments to the pelvis and spine to support better alignment and comfort
Soft tissue therapy for tight muscles in the lower back, hips, and upper back
Guidance on safe movement and exercise, including gentle core and pelvic floor support work
Posture coaching to reduce strain as your body continues to change through each trimester
The goal throughout is comfort, mobility, and supporting your body through the physical demands of pregnancy — always in coordination with your obstetric care.
Simple Things That Can Ease Pregnancy Aches
Sleep on your side with a pillow between your knees and one supporting your belly
Consider a supportive maternity belt if pelvic girdle pain is significant, particularly with walking
Stay gently active with pregnancy-safe movement like walking or prenatal yoga
Choose supportive, low-heeled footwear as your balance and centre of gravity shift
Be mindful of posture during long periods of sitting or standing, and change position regularly
Avoid twisting or asymmetrical lifting where possible, especially later in pregnancy
Common Pregnancy Pain Myths, Busted
"Back pain is just something you have to live with during pregnancy." It's common, but common doesn't mean untreatable. Many people find meaningful, lasting relief with the right combination of gentle care and daily adjustments to movement and posture.
"Chiropractic care isn't safe during pregnancy." When provided by a practitioner trained in prenatal care using appropriately adapted techniques, chiropractic care is generally considered safe throughout pregnancy. As with any care during pregnancy, it's worth confirming your practitioner's specific training and always keeping your OB or midwife informed.
"Any pain must mean something is wrong with the baby." Most musculoskeletal aches during pregnancy are related to the very normal hormonal, postural, and structural changes your body is going through, and aren't a reflection of your baby's wellbeing. That said, it's always worth mentioning new or unusual pain to your care provider so it can be properly assessed and, where appropriate, ruled out.