Postguideline, the cesarean delivery rate among nulliparous women attempting vaginal delivery was substantially reduced in association with decreased frequency in the diagnosis of arrest of dilation at less than 6 cm.
with NE. These findings remained when the cases were limited to NE with arterial cord pH <7.1. CONCLUSION: Category III tracings, while infrequent, are not uncommon in labor among fetuses who develop NE. Whereas category II FHR is not independently associated with NE, individual FHR characteristics are associated. This study provides important empirical evidence underscoring the validity of employing FHR discriminators in the management of category II tracings during labor.
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