by Gloria Lemay

© 2003 Midwifery Today, Inc. All rights reserved.

What if there were no pelvis? What if it were as insignificant to how a child is born as how big the nose is on the mother's face? After twenty years of watching birth, this is what I have come to. Pelvises open at three stretch points—the symphisis pubis and the two sacroiliac joints. These points are full of relaxin hormones—the pelvis literally begins falling apart at about thirty-four weeks of pregnancy. In addition to this mobile, loose, stretchy pelvis, nature has given human beings the added bonus of having a moldable, pliable, shrinkable baby head. Like a steamer tray for a cooking pot has folding plates that adjust it to any size pot, so do these four overlapping plates that form the infant's skull adjust to fit the mother's body.  Read More