KAR/9A Prenatal Cervix and Birth Canal Model

Features:
1. Six labor stations selected to represent conditions of the cervix and vagina prior to labor, during labor, and at birth. 
2. Stations illustrated are: STA-5 prior to onset of labor; STA-4 cervix partially effaced; STA-3 cervix fully effaced; STA-0 fetal head at plane of ischial spine: STA-2 cervix nearing full dilation; STA-5 crowning of fetal head.