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Research Article Open access CC BY 4.0

Fetal Heart Rate Interpretation in the Second Stage of Labour: Pearls and Pitfalls

Sian McDonnell, Edwin Chandraharan

Journal of Advances in Medicine and Medical Research · pp. 957–970 · Published 10 Apr 2015

10.9734/BJMMR/2015/17022

Abstract

It is vital to determine whether a fetus is showing a normal physiological response to the stress of labour or if the fetus is exposed to intrapartum hypoxia to ensure timely and appropriate management. Failure to interpret fetal heart rate correctly during second stage of labour may lead to increased maternal and neonatal morbidity due to an unnecessary caesarean section or an instrumental vaginal delivery. Conversely, delay in timely and appropriate intervention can also result in increased perinatal morbidity and mortality. This review addresses the pathophysiology behind features observed on the CTG trace as well as the types of intrapartum hypoxia during second stage of labour and aims to identify common pitfalls including inadvertent monitoring of maternal heart rate as well as monitoring and interpretation of cardiotocograph of twin pregnancies in the second stage of labour.

Cardiotocograph pathophysiology decelerations maternal heart rate types of hypoxia

Cited by 12

Fetal heart rate monitoring in labor: from pattern recognition to fetal physiology

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Timothy Jeffery, Rodney Petersen, Julie Quinlivan · Australian and New Zealand Journal of Obstetrics and Gynaecology · 2016

Assessment of Second-stage Fetal Heart Rate Patterns and Its Association with Neonatal Outcome

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Erroneous Recording of Maternal Heart Rate as Fetal Heart Rate During Second Stage of Labour: Isn’t it Time to Stop this?

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Kate Nash · British Journal of Midwifery · 2020

Rational approach to fetal heart rate monitoring and management during the second stage of labor

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