Pubic symphysis pain in pregnancy: why the front of your pelvis hurts to walk.

Many women hit a point in pregnancy when a sharp or grinding pain shows up right at the front of the pelvis, low and center, on the pubic bone. It flares turning over in bed, climbing stairs, or standing on one leg to pull on a pair of pants — and sometimes there's a clicking or a "coming apart" feeling with it. The clinical names for this are symphysis pubis dysfunction (SPD) and pelvic girdle pain, and it is one of the most common — and most under-explained — pains of pregnancy.

Why does my pubic bone hurt during pregnancy?

The pubic bones meet at the very front of your pelvis at a small, normally stiff joint called the pubic symphysis. In pregnancy, the hormone relaxin loosens the ligaments across the whole pelvis to make room for the baby, and that same loosening lets this front joint shift and grind instead of holding steady.

When the two sides of the pelvis move unevenly, the symphysis gets sheared with every step, stair, and roll-over — which is exactly why the pain spikes on one-legged moments like getting dressed or climbing into a car. Cleveland Clinic has a clear patient overview of symphysis pubis dysfunction and pelvic girdle pain if you want the full medical picture.

What is symphysis pubis dysfunction (SPD)?

SPD is the name for pain and instability at that front pelvic joint. Pelvic girdle pain is the broader umbrella — it covers the front joint, the two sacroiliac (SI) joints at the back, or all three at once, because they work as one ring and rarely fail in isolation.

This is a mechanical problem, not damage to the baby and not a sign anything is wrong with the pregnancy itself. It is estimated to affect nearly half of pregnancies to some degree, and around one in five women feels it severely enough to seek care. Knowing it has a name — and a mechanism — is usually the first relief patients feel.

The pelvis is one ring, not three separate joints. When the front hurts to walk, the back is almost always part of the story too.

Why the front and back of your pelvis hurt together

Because the pelvis is a closed ring, uneven motion at the front pulls on the back and vice versa. That's why so many women with pubic-bone pain also feel a deep ache to one side of the low back or in the buttock — the same instability showing up at the sacroiliac joint on the far side of the ring.

It's also worth separating this from a different pregnancy pain that lives nearby. A sudden, stabbing pull low on one side of the belly with a quick position change is usually round ligament pain, not SPD — different tissue, different fix. If you're not sure which pain is which, our pain locator lets you tap the hip and SI region to see what typically sits where.

What actually helps pubic symphysis pain?

The first wins are usually positioning and support, and they cost nothing. Keep your knees together whenever you change position — swing both legs out of bed at once, sit down to dress, and put a pillow between your knees when you sleep on your side. A supportive pelvic band or maternity belt worn low across the hips takes real load off the joint for a lot of women, and it's a reasonable first thing to try.

When positioning and a belt aren't enough, gentle hands-on care is the next step. At The Spine Studio, that means low-force Precision Spinal Adjustments and Pin & Stretch to restore even, symmetric motion through the pelvic ring, plus Corrective Exercise Programming to build the deep stabilizers that hold the ring steady between visits — no twisting, no forceful moves, and no pressure on the belly. This is the same gentle, Webster-informed pregnancy care we use throughout pregnancy, aimed squarely at getting the two sides of the pelvis moving together again.

When should I loop in my OB or midwife?

Most pubic symphysis pain is mechanical and safe to treat conservatively, but a few things belong with your maternity provider first. Call your OB or midwife if the pain is severe enough that you can't walk or bear weight, if you feel or hear a pronounced grinding with clear instability, or if there's any bleeding, fluid, or regular tightening that could signal something obstetric rather than musculoskeletal.

We're glad to coordinate rather than guess. If your provider has flagged a high-risk pregnancy or specific precautions, bring that in and we'll work within it — good pelvic care and good obstetric care pull in the same direction.

Does it go away after birth?

For most women, yes — as relaxin clears and the joint stiffens back up, symphysis pain settles within weeks of delivery. The instability that drove it doesn't vanish the instant the baby arrives, though, so if the pubic bone or low back is still complaining a month or two postpartum, that's a signal to have the pelvic ring checked rather than waited out.

The practical takeaway during pregnancy is simple: you don't have to treat front-of-pelvis pain as something to just endure until delivery. Support the joint, keep the ring moving symmetrically, and get it looked at early — the sooner the pelvis is moving evenly, the less it grinds with every step.

Prenatal and postpartum support across St. Charles County

Expecting parents come to our Cottleville office from across St. Charles County — Cottleville, O'Fallon, St. Peters, and St. Charles — for gentle, side-lying pelvic care through pregnancy and in the months after. The aim is the same whether you're 30 weeks along or six weeks postpartum: keep the pelvic ring moving symmetrically so the front joint stops grinding.

Care is tailored to where you are in it. Dr. Andersen works within your OB or midwife's guidance, and if the pubic bone or low back is still nagging after delivery, that's exactly the window to have the ring rechecked rather than wait it out.