OB/GYN Student Study Guide - School of Medicine

Latent – to approx. 4 cm (or acceleration in dilation) Active – to 10 cm complete; prolonged if slower than 1.2 cm/hr null/1.5 cm/h multip; if prolonged, do amniotomy, start pitocin, place IUPC to evaluate contraction strength. Failure to progress – no change despite 2 hours of adequate labor (MVU >200) ................
................