Is the labor that proceeds without medical interventions.
This means without epidural anesthesia or any other drugs, artificial induction of labour and no Caesarean.
The women body are design to give a birth. When the labour come your body engage in a series of motor movement those are natural and automatic.
The baby's home is the uterus a muscle that knows exactly how to do the work of pushing the baby down towards the cervix and once the labour starts the cervix has dilated to about ten centimeters, into a through the birth canal this canal consists of a muscular tissue which remains tightly closed during the pregnancy, keeping baby safely until labour begins and it gradually opens.
The pelvis is almost always adequate in size to allow the passage of the baby, even a very big one, because the four bones that make up the pelvis are joined together by ligaments, that loosen up during late pregnancy and labour. Thats why the pelvis can widen enough for birth take place without damage mum or baby.
