Cuddled and Carried: The Science Behind Babywearing

Reviewed by: HiMommy Expert Board
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5 min read
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May 13, 2025
For thousands of years across diverse cultures, parents have kept their babies close by carrying them in various types of slings and carriers. While modern marketing may position babywearing as a trendy parenting accessory, science reveals that this ancient practice offers profound developmental benefits that go far beyond mere convenience.
The Evolutionary Context of Carrying
Human infants are born remarkably underdeveloped compared to other primates. Our newborns can't cling to their mothers or follow them independently—they need to be carried. Anthropologists suggest that close physical contact through carrying was the norm throughout human evolution, making babywearing not just a cultural practice but a biological adaptation.
This evolutionary perspective helps explain why many babies seem calmer when carried. They're experiencing what their developing systems expect: the warmth, movement, and security of being held close to a caregiver's body.
The Attachment Connection
One of the most well-documented benefits of babywearing is its positive impact on attachment—the emotional bond between caregiver and child that forms the foundation for healthy relationships throughout life.
In a groundbreaking study, researchers found that mothers who used soft baby carriers for at least three hours daily had significantly higher rates of secure attachment with their infants at 13 months compared to a control group. This effect was particularly pronounced among mothers at higher risk for bonding difficulties.
What makes babywearing so effective for promoting attachment? Several mechanisms are at work:
- Increased responsiveness: When your baby is close to you, you notice their cues earlier and can respond more promptly to their needs.
- Enhanced communication: Research shows that parents talk more to their babies and engage in more "conversations" when babywearing compared to stroller use or other forms of baby transport.
- Oxytocin release: Close physical contact stimulates the release of oxytocin—often called the "bonding hormone"—in both parent and baby, reinforcing their emotional connection.
- Consistent comfort: The consistent physical presence provides babies with a sense of security and comfort that supports healthy emotional development.
Physical Development Benefits
Beyond emotional bonding, babywearing offers several benefits for physical development:
Hip Development
Contrary to older concerns, properly positioned babywearing may actually support healthy hip development. The "M position" with knees higher than hips and legs spread around the caregiver's torso mimics the positioning used in treating hip dysplasia. This natural spread-squat position can help support proper hip socket formation.
Reduced "Container Baby" Issues
When babies spend excessive time in "containers" like car seats, bouncers, and swings, they may develop issues like plagiocephaly (flat head syndrome) or delayed motor skill development. Babywearing reduces time in these devices while still giving parents hands-free mobility.
Vestibular Stimulation
As you move throughout your day with your baby in a carrier, your movements provide valuable vestibular (balance) stimulation that helps develop your baby's sensory systems and spatial awareness.
Cognitive and Language Development
Babywearing places babies in an ideal position to observe and engage with the world around them:
- The "Human Periscope" Effect: Carried babies experience the world from a higher vantage point, allowing them to see more of their environment and observe human interactions at eye level.
- Language Exposure: Research indicates that babywearing increases the amount of language a baby is exposed to. Parents speak more to babies they're carrying, and babies can observe conversations between the wearer and others.
- Regulated Stimulation: Unlike devices that provide constant, sometimes overwhelming stimulation, babywearing allows babies to regulate their input by turning toward or away from stimuli, supporting healthy brain development.
Physiological Regulation
Studies of premature infants have demonstrated remarkable benefits from kangaroo care (a form of skin-to-skin holding similar to babywearing), including:
- More stable heart rates and breathing patterns
- Better temperature regulation
- Improved weight gain
- Enhanced sleep quality
- Reduced stress hormones
While these studies focused primarily on premature infants, many of the same physiological benefits appear to extend to full-term babies as well. Being carried close to a caregiver's body helps babies regulate their own developing systems.
Benefits for Parents
Babywearing isn't just good for babies—it offers significant advantages for parents too:
Practical Convenience
Having both hands free while keeping your baby close allows you to accomplish daily tasks, care for other children, or navigate public spaces more easily.
Reduced Crying
Multiple studies have found that carried babies cry significantly less—up to 43% less in some research. This can reduce parental stress and make the early months of parenting more manageable.
Breastfeeding Support
For nursing mothers, babywearing can make breastfeeding more accessible and discreet. Research shows that mothers who practice babywearing tend to breastfeed longer, with one study finding significantly higher breastfeeding rates at both two and five months compared to a control group.
Mental Health Benefits
Research suggests that the physical contact and increased responsiveness facilitated by babywearing may help reduce symptoms of postpartum depression and anxiety in some mothers, creating a positive cycle of interaction.
Finding Your Babywearing Style
If you're interested in experiencing these benefits, consider these tips for getting started:
- Explore carrier types: Different carrier styles (wraps, ring slings, soft structured carriers, etc.) work better for different body types, climates, and personal preferences.
- Ensure proper positioning: Look for the "TICKS" guidelines—Tight, In view, Close enough to kiss, Keep chin off chest, and Supported back.
- Start gradually: Begin with short sessions when your baby is content and gradually increase duration as you both become more comfortable.
- Consider your baby's developmental stage: Newborns need different support than older babies, and carrier needs change as babies grow.
The Bigger Picture
While babywearing offers numerous benefits, it's important to recognize that it's just one tool in the parenting toolkit. The research suggests that what matters most is responsive, attuned caregiving—something that can happen whether your baby is in a carrier, in your arms, or nearby in another setting.
What babywearing does exceptionally well is make it easier to provide that responsive care while navigating the practical demands of daily life. By understanding the science behind this ancient practice, modern parents can make informed choices about incorporating babywearing into their own unique parenting journey.