If your wrist and thumb ache every time you lift your baby, you are not imagining it, and you are not alone. It is common enough to have a nickname: mum thumb. Here is what it is, why carrying triggers it, and how to take some load off.
This is general information, not medical advice. For ongoing pain, see your GP or a hand therapist or physiotherapist.
- Mum thumb is everyday wrist and thumb pain from repetitive lifting.
- Scooping your baby under the arms with bent wrists is a common trigger.
- Lifting close to your body and spreading the load helps take the strain off.
- A hip seat moves weight to your hips instead of your wrists and arms.
What is mum thumb (De Quervain's)?
Mum thumb is the everyday name for pain along the thumb side of the wrist, often linked to De Quervain's, an irritation of the tendons that run to the thumb. It tends to flare with the repetitive lifting, holding and scooping of new parenthood. It is common, and it is worth taking seriously rather than pushing through.
Figure: De Quervain's tenosynovitis ("mum thumb") affects the tendons on the thumb side of the wrist, often causing pain during lifting and carrying. Illustration adapted from Pain Free Health.
Source: Pain Free Health – "Mommy Wrist: Why Your Wrist Hurts After Having a Baby"
Why carrying a baby triggers it
Think about how many times a day you scoop your baby up under the arms, wrists bent, thumbs taking the strain, then hold them on one hip while you do everything else one-handed. Small movements, enormous repetition. That load lands squarely on your wrists and thumbs.
How to lift to protect your wrists
Bring your baby in close before you stand, use your whole hand and forearm rather than hooking with your thumbs, and try to keep your wrists straighter rather than bent back. Small technique tweaks, repeated dozens of times a day, add up.
Spread the load off your wrists
The less your arms and wrists carry, the better. A hip seat is designed to redistribute your child's weight through a padded waistband onto your hips, rather than loading it onto your arms and wrists. It supports more comfortable carrying, it does not treat any condition, and one arm still supports your child.
When to get it looked at
If the pain is persistent, sharp, or affecting daily tasks, see a health professional. Early support and the right advice make a real difference, and looking after your body is part of looking after your baby.
Frequently asked questions
What is mum thumb?
It is the common name for wrist and thumb pain new parents get from repetitive lifting and holding, often linked to De Quervain's tenosynovitis. This is general information, not a diagnosis.
Can a hip seat help with wrist pain from carrying?
A hip seat is designed to move your child's weight onto your hips instead of your arms and wrists, which many parents find takes the strain off. It supports more comfortable carrying rather than treating any condition.
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