Prolonged Second Stage of Labor Clinical Trial
Official title:
Evaluation of Continuous Maternal Feedback to Shorten Second Stage Labor
This study will assess the ability for continuous electronic feedback to reduce the length of second stage labor and improve maternal and fetal outcomes.
The length of the second stage (pushing stage) of labor is highly correlated with the
incidence of adverse outcomes for mother and neonate. More than 80% of laboring women in the
US have epidurals for labor pain management. The length of second stage labor is increased in
women receiving regional anesthesia for pain management during labor and delivery compared to
women without anesthesia. This increased length of labor is largely due to lack of maternal
sensation resulting in decreased physiologic feedback on the efficacy of maternal expulsive
(pushing) efforts. Continuous maternal feedback regarding fetal decent during labor may
result in more effective maternal expulsive efforts reducing the length of second stage and
improving maternal and neonatal outcomes. This study will assess the ability for continuous
electronic feedback to reduce the length of second stage labor and improve maternal and fetal
outcomes.
The study device consists of a modification of the standard fetal scalp electrode and a
separate apparatus designed to detect movement of the fetal head by detecting movement of the
FSE. As the patient pushes, the amount of fetal movement will be measured and recorded. The
movement will be recorded by a laptop computer which will provide optical and auditory
feedback to the patient about descent of the fetal head with maternal expulsive efforts.
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