The multipara at 38 weeks of gestation who is having occasional contractions and is at 5 cm dilation, 50

The multipara at 40 weeks of gestation who is having strong uterine contractions, and is at 4 cm dilation, 70

The primipara at 39 weeks of gestation who is having frequent uterine contractions, and is at 5 cm dilation, 50

The primipara at 40 weeks of gestation who is having regular uterine contractions and is at 3 cm dilation, 50