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Back Pain at 23 Weeks Pregnant | Pregnancy Power Hour
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Week 23 symptom · manageable

Back Pain at 23 Weeks Pregnant

At 23 weeks, many individuals begin to notice back pain as relaxin softens ligaments and your posture shifts with your growing body.

2 min read

Quick answer

At 23 weeks, many individuals begin to notice back pain as relaxin softens ligaments and your posture shifts with your growing body.

Also called: lower-back pain

Around 23 weeks, as your body continues its remarkable changes, you might notice back pain emerging for the first time, often linked to the hormone relaxin and shifts in your posture. This is a common experience, with evidence suggesting that low back and pelvic girdle pain affect a significant portion of pregnancies, making it a leading cause of discomfort. Understanding what's happening can bring clarity and help you explore options for support.

As your pregnancy progresses into the second trimester, your body produces relaxin, a hormone that gently softens the ligaments in your pelvis. While this is a vital preparation for birth, it can also contribute to instability in your joints. Combined with the natural shift in your center of gravity as your baby grows, this can place new demands on your back muscles and pelvic area. It's helpful to know that back pain in pregnancy often falls into two distinct categories: lumbar pain, which feels similar to general non-pregnancy back discomfort, and pelvic girdle pain, which has a different mechanism and often requires a slightly different approach to support. Recognizing the type of pain you're experiencing can be a first step in making informed decisions about relief.

Exploring gentle, evidence-based approaches can make a meaningful difference. Prenatal exercise programs, particularly water exercise, have shown promise in reducing the severity of back pain. These activities offer support and buoyancy, which can be incredibly soothing for your joints and muscles. For those experiencing pelvic girdle pain, consulting with a pelvic floor physiotherapist is often a recommended first-line option. They can offer personalized guidance and exercises to support your changing body. Just as you might notice changes like increased vaginal discharge at 8 weeks pregnant earlier in pregnancy, new sensations like back pain can arise as your body adapts, and understanding these shifts empowers you to seek appropriate care.

Beyond specialized therapies, simple adjustments can offer comfort. Many people find relief from heat packs applied to the lower back, and using a supportive pillow when side-sleeping can help align your spine. Opting for low-heel shoes, typically 1-2 inches, can also help maintain better posture and reduce strain. For some, acupuncture and chiropractic care from providers trained in pregnancy support have shown positive results in clinical studies. Remember, your experience is unique, and you get to decide which options feel right for you. Understanding these developments, much like tracking increased vaginal discharge at 10 weeks pregnant, helps you make informed decisions about your well-being. Every week brings new developments, and sometimes these come with physical adjustments, similar to how your body might present with increased vaginal discharge at 11 weeks pregnant in the first trimester. Your care provider is your best resource for your specific situation and can help you navigate these changes confidently.

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Common questions

Is back pain common at 23 weeks pregnant?+

Yes, back pain is very common in pregnancy, affecting many individuals. Around 23 weeks, it often emerges as relaxin softens ligaments and posture changes.

What's the difference between lumbar and pelvic girdle pain?+

Lumbar pain is general lower back discomfort, while pelvic girdle pain is specific to the pelvic joints, often requiring different support strategies.

Brittany Nance

“Pregnancy is under-supported at every week. This is the kind of clear, calm guidance I give my one-on-one clients — and the questions worth taking back to your provider.”

Brittany Nance · Pregnancy Wellness Consultant · full-spectrum doula

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Written by Brittany Nance, Pregnancy Wellness Consultant· BADT Full Spectrum Doula · Founder, Pregnancy Power Hour
Last reviewed July 1, 2026

This is evidence-informed education from a birth-doula perspective, not medical advice. Always discuss your individual situation with your prenatal care provider.

Keep reading

  • RelatedBack Pain at 22 Weeks PregnantAt 22 weeks, back pain often emerges due to increased relaxin and postural shifts, affecting many pregnant individuals.
  • RelatedBack Pain at 25 Weeks PregnantAt 25 weeks pregnant, back pain often becomes noticeable for the first time, influenced by hormonal changes and your body's evolving posture.
  • RelatedBack Pain at 24 Weeks PregnantAt 24 weeks pregnant, back pain often emerges as relaxin loosens joints and your posture shifts, making targeted support helpful.
  • RelatedBack Pain at 21 Weeks PregnantAround 21 weeks, many first-time parents notice new back discomfort as relaxin loosens joints and your posture adjusts to your growing baby.
  • RelatedBack Pain at 27 Weeks PregnantAt 27 weeks pregnant, back pain can emerge as relaxin loosens ligaments and your posture shifts, making it a common new sensation for many.
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