In all cases, uterine contractions remain the key driving force in labor. However, after giving birth for the first time, the mother's uterus and perineum have learned to naturally dilate rapidly when prompted into labor.

Breech presentation is the most common type of abnormal fetal presentation. The technique of delivering a breech presentation also has many different and more complicated characteristics than that of a vertex presentation. Therefore, it is necessary to master the following things to know about delivering a breech presentation to have a safe labor and delivery for both mother and child.