Assessment of labor progress via digital exams is considered the standard of care in most delivery rooms. However, this method can be stressful, painful and imprecise and multiple exams increase the risk for chorioamnionitis. Trans-perineal ultrasound (TPUS) was found to be an objective noninvasive way to monitor labor progress. The study aim is to investigate whether, in nulliparous women, the use of TPUS during labor can reduce the number of vaginal exams and the incidence of chorioamnionitis.
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Fever and infection rates in each of the study arms
Timeframe: From admission to hospital for labor until 2 week post-partum
Number of digital exams in each of the study arms
Timeframe: From admission to hospital until delivery