PUBLISHED 2026
POSTPARTUM RECOVERY · HIP & SI-JOINT PAIN · ADVERTORIAL
"It's Just Relaxin. It'll Settle." The Science Has Actually Moved On.
If your postpartum hip or SI-joint pain didn’t settle when your hormones did, you weren’t failing to recover. The explanation you were given was incomplete. Here’s what the research says now.
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By the LimbJoint Editorial Team · June 24, 2026 · This is an illustrative first-person account based on common experiences LimbJoint customers describe.
just incomplete."
The updated science
They all said the same thing. My OB. The physio I saw twice. My mum. The blog I found at 2am with a baby on my chest and my hip throbbing underneath me. “It’s the relaxin. Your ligaments loosened for the birth. Give it time. It’ll settle.”
I gave it time. Six months. Then a year. Then eighteen months. The hormones normalised. The pain didn’t. The crib lift still catches. The car seat still stings. The shift still breaks me by hour six.
And every time I brought it up, I got the same answer: just give it more time.
I started to think my body was just broken. That everyone else bounced back and I was the one who couldn’t.
I wasn’t broken. The explanation I was given was just incomplete.
Keep reading — the updated science is the part nobody mentioned. Or see the ten-minute routine now if you'd prefer to skip ahead.
See how the ten-minute routine works →
Here’s what the research actually says now — and it’s different from what you were told.
For years the standard explanation was simple: pregnancy releases relaxin, relaxin loosens the pelvic ligaments, and everything settles once the hormones normalise. It sounded reasonable, and almost everyone — including many doctors — repeated it.
But newer research — systematic reviews, recent trials — has found more evidence against relaxin as the primary cause than for it. The science is shifting. What it now points to is different: it’s less about hormones, and more about how the muscles control and transfer load across the pelvis.
WHAT YOU WERE TOLD
"It's the relaxin loosening your ligaments. Give it time — once your hormones settle, everything settles."
Systematic review: the level of evidence for the association between PGP and relaxin levels was found to be low.
WHAT YOU WERE TOLD
"Just rest it. Give your body time to recover."
The problem isn't hormones that needed time. It's muscles that lost the ability to muscles that lost the ability to Time alonedoesn't retrain how muscles fire.
"Everyone goes through this postpartum. It's normal."
WHAT RESEARCH NOW POINTS TO
Pelvic support that addresses motor control and load transfer significantly improvedpain and disability in postpartum women.(BMC, 2025 RCT)
That changes everything. Because if the problem isn’t hormones that needed time to settle — if it’s muscles that lost the ability to stabilise and share load — then waiting was never going to fix it. Time alone doesn’t retrain how muscles fire.
VERIFIED SOURCES
Source 1
Aldabe D, et al. "Pregnancy-related pelvic girdle pain and its relationship with relaxin levels: a systematic review." European Spine Journal. 2012;21(9):1769– 1776.
Level of evidence for relaxin–PGP association found to be low.
Source 2
Jafarian FS, et al. "Comparative efficacy of lumbar and pelvic support on pain, disability, and motor control in women with postpartum PGP: a three-armed RCT." BMC Musculoskeletal Disorders. 2025;26(1):100.
Pelvic support significantly improved pain, disability and motor control.
This is why “just wait” didn’t work. And why it never was going to.
If the muscles around the pelvis lost the ability to stabilise and share load — and then every day means lifting a baby, hauling a toddler onto one hip, standing a twelve-hour shift, climbing stairs with a laundry basket — that’s a pelvis being loaded without the support it needs. Every lift reloads the same unsupported joint. The muscles guard to compensate. The guarding chokes circulation. Inflammation gets trapped. It becomes a loop LimbJoint calls the Lock-Up Loop.
Rest pauses the loading. It doesn’t rebuild the muscle support. That’s why a weekend of rest helps a little — and then Monday, the baby, the shift arrive, and the pain is right back where it was.
There’s one more thing the updated science explains — and it’s the part that scares a lot of moms the most.
You can feel yourself getting lopsided. Always the good hip for carrying her. Always bracing one side. The muscles on the sore side start to under-activate — they’re guarding, so they stop doing their real job — and the other side overcompensates. Over months, real one-sided weakness develops. It isn’t imagined. It’s a documented pattern.
And rest doesn’t reverse it: resting a muscle that’s already switching off makes it switch off more. What helps is gentle support — circulation restored, the guarding eased, the muscle invited to fire again.
Your body isn't broken. The advice was incomplete. And you deserve the update.
If the problem is muscle support and load transfer — not just hormones and time — then what helps isn’t waiting.
It’s giving the pelvis the support the muscles can’t provide yet, while gently helping them reactivate.
Compression
2025 RCT · BMC MUSCULOSKELETAL DISORDERS
To externally support the SI joint and help with load transfer. A 2025 trial found pelvic support improved pain and motor control in postpartum women — addressing the load-transfer gap directly.
Deep heat
To restore circulation to the guarding muscles so they can begin to release. The muscle can't reactivate while it's guarding. Heat is how you signal it to let go.
Vibration
Gentle activation that invites the under-firing muscles back on, without forcing a painful contraction. Not percussive — controlled, deep, inviting.
To support the body's response to inflammation trapped in the joint. The wavelength with published evidence on soft-tissue inflammation response.
All four. Ten minutes. After she goes down.
THE LIMBJOINT 4-IN-1 HIP THERAPY BELT
All four, ten minutes, after she goes down.
Gentle compression to support the SI joint and help with load transfer — a 2025 trial found pelvic support improved pain and motor control postpartum. Deep heat to restore circulation to the guarding muscles so they can begin to release. Gentle vibration to invite the under-firing muscles back on, without forcing a painful contraction. And 660nm red light — the specific wavelength with published soft-tissue research — to support the body’s response to trapped inflammation.
Ten minutes. Wireless. Quiet enough not to wake anyone.
✓ Wireless — no cord
See how the ten-minute routine works →
SAFETY — ANSWERED HONESTLY, UP FRONT
The safety question — answered honestly, up front.
I know you’re thinking it, because I thought it too. Is this safe while I’m breastfeeding? What if I’m pregnant again? Here’s the honest answer: the belt sits on the hip and upper glute — not on the abdomen, not near the baby. Heat, vibration and red light on the hip are generally considered safe for everyday use.
But if you’re currently pregnant or in the early weeks postpartum, please check with your provider before starting.
We say that here, in plain sight, because you’ve had enough of being given incomplete information.
What to expect.
FIRST SESSION
Two weeks
The honest version: most moms feel the warmth and an after-session ease the first night. About a week in, the crib lift starts to change — less brace, less breath-holding, the one-sided feeling beginning to even. By two weeks of daily use, a full shift without counting the hours. It’s a routine, not a switch — ten minutes a day, and the consistency is what retrains the system.
Real mom customers.
"The 'crib lift' was my daily nightmare. That sharp catch in my SI joint every morning set the tone for the whole day. Two weeks with the LimbJoint belt and I'm lifting her without that bracing fear. It's life- changing."
"I work 10-hour retail shifts and by hour four, my hip used to be screaming. I started using this routine after work, and the difference in my mobility the next day is incredible. I'm not limping to my car anymore."
"I was told to 'just wait' for three years. I thought I was just broken. This is the first thing that actually addressed the muscle guarding. I finally feel like I'm getting my body back."
"I was worried the vibration would wake the baby since she sleeps right next to me, but it's whisper-quiet. It's become my favorite ten minutes of the day—just me, the heat, and actual relief."
"I always felt lopsided, like I was only living on my 'good' side. After a month of consistent use, that heavy, one-sided feeling is finally evening out. I feel balanced for the first time since pregnancy."
"The deep heat is unlike any heating pad I've used—it actually reaches the ache. Combined with the red light, it's the only thing that calms the inflammation after a long day of chasing a toddler."
4.6
Before the price, two comparisons. First, cost: a single pelvic-floor physio session — the kind that’s so hard to keep scheduling with a newborn — typically runs $150 to $250 without insurance, and the first evaluation can reach $300. Any one of those visits costs more than this belt. Second, and this one matters more for a mom: time. This is ten to twelve minutes, once a day, in the gap between bedtime and your own collapse. Not a class to get to. Not an appointment to keep. The time you already have.
WHAT IT ASKS OF HER
ROUGHLY
One pelvic-floor PT session (hard to keep scheduling)
$150–$250 per session (first visit up to $300)
The time it asks of her, per day
10–12 minutes, after bedtime
The LimbJoint belt — used nightly, as often as she likes
$79.79once — no appointment to keep
$79.79. Once. No subscription, no refills, no appointment to keep. And it’s okay to spend a little on yourself — you take care of everyone else all day
$79.79 Once. No subscription.
no refills, no appointment to keep.
And it’s okay to spend a little on yourself — you take care of everyone else all day.
100% satisfaction, 30-day money-back guarantee.
Free shipping. No surprise tax at checkout. Use it every night for 30 days — if the crib lift still hurts and the shift still breaks you by hour six, one email and a prepaid label send it back. Full refund, no forms, no fight.
With the 30-day guarantee, trying it is the safe, low-risk choice — the same as waiting, except this one might actually help.
The choice.
This was never really about a belt. It was about lifting her out of the crib without bracing first. Getting through a shift without counting the hours. Sitting on the floor at playtime and getting up without using the couch. Being a little less short by 6pm, because the pain didn’t eat the patience first. Those are the things the pain quietly took — and those are the things worth getting back.
See the ten-minute routine →
P.S.
If you’re reading this a year or more postpartum, still in pain, still being told to wait — you’re not behind, and you’re not the broken one. About 1 in 4 moms have this, and most never say a word. The silence is the problem, not you.
$79.79, once. 100% satisfaction, 30-day money-back, free shipping, prepaid return label. Trying it is the safe choice — the same as waiting, except this might actually help.
P.P.P.S.
If your pain is severe, sudden, or getting worse, please see a doctor. If you’re pregnant or immediately postpartum, check with your provider before use. This is for everyday relief — not a substitute for care.