CHARACTERISTICS
FEATURES:
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
Six labor stations selected to represent conditions of the cervix and vagina prior to labor, during labor, and at birth in a primigravid woman.
FEATURES:
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
Six labor stations selected to represent conditions of the cervix and vagina prior to labor, during labor, and at birth in a primigravid woman.
Six labor stations selected to represent conditions of the cervix and vagina prior to labor, during labor, and at birth in a primigravid woman.
FEATURES:
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