The Pelvis in detail

The Pelvis in detail

To find out more about the Pelvis bones, please hover over the hotspots on the image or select one of the tabs below for a detailed description of each bone and its function during birth.


Gently and slightly rises in labour, this is easier if there is no pressure on the bones.

Hip Bone

The Hormone Relaxin is released to help relax the ligaments of the pelvis so the larger bones can move to allow baby room to grow.


moves and flattens out to help baby move through the pelvis.

Symphysis Pubic

Ligaments relax here to allow for growth of baby.