06/03/2026
Understanding Birth Strains: How Your Baby’s Head Adapts at Birth
You may have heard osteopaths talk about craniomembranous birth strains, but what does that actually mean?
During pregnancy and birth, your baby’s head is beautifully designed to mould and adapt. The bones of a baby’s skull are not fused they are separated by soft sutures and supported by delicate dural membranes, which help protect the brain while still allowing some flexibility. This structure lets the skull bones shift and overlap slightly, helping your baby pass safely through the birth canal.
Moulding can begin weeks before labour, influenced by baby’s position in utero and even Braxton Hicks contractions. During labour, each contraction is absorbed through your baby’s body and head, gradually helping the cervix soften and open. The skull bones temporarily overlap, making the head slightly smaller for birth.
This is all normal and purposeful. 💛
But sometimes birth is a little more demanding.
• Labour may be long
• Baby’s position may not be optimal
• Assistance such as forceps or ventouse may be needed
In these cases, the delicate membranes and tissues of the skull can occasionally be stretched beyond what they can comfortably adapt to. This may slow your baby’s natural ability to fully rebalance.
You might notice:
• Moulding that doesn’t resolve quickly
• Swelling or haematomas
• Raised ridges along the skull
• A persistent head position preference
Our osteopaths are specially trained to gently assess these subtle tension patterns. Using very light, precise techniques, we support your baby’s own natural ability to restore balance and ease.
Could your baby benefit from gentle support? Book a session with our experienced osteopaths and help them move, rest, and grow with ease!
https://pubmed.ncbi.nlm.nih.gov/36451623