Relationship Between Prolonged Second Stage of Labor and Short-Term Neonatal Morbidity: A Systematic Review and Meta-Analysis

Nuria Infante-Torres, Milagros Molina-Alarcón, Angel Arias-Arias, Julián Rodríguez-Almagro and Antonio Hernández-Martínez
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Nuria Infante-Torres: Mancha Centro Hospital, Av. Constitución, 3, Alcázar de San Juan, 13600 Ciudad Real, Spain
Milagros Molina-Alarcón: Department of Nursing, Physiotherapy and Occupational Therapy, Faculty of Nursing, University of Castilla-La Mancha, Av. de España, s/n, 02001 Albacete, Spain
Angel Arias-Arias: Mancha Centro Hospital, Av. Constitución, 3, Alcázar de San Juan, 13600 Ciudad Real, Spain
Julián Rodríguez-Almagro: Department of Nursing, Physiotherapy and Occupational Therapy, Faculty of Nursing, University of Castilla-La Mancha, Camilo José Cela, 14, 13071 Ciudad Real, Spain
Antonio Hernández-Martínez: Department of Nursing, Physiotherapy and Occupational Therapy, Faculty of Nursing, University of Castilla-La Mancha, Camilo José Cela, 14, 13071 Ciudad Real, Spain

IJERPH, 2020, vol. 17, issue 21, 1-26

Abstract: To evaluate the association between prolonged second stage of labor and the risk of adverse neonatal outcomes with a systematic review and meta-analysis. PubMed, Scopus and EMBASE were searched using the search strategy “Labor Stage, Second” AND (length OR duration OR prolonged OR abnormal OR excessive). Observational studies that examine the relationship between prolonged second stage of labor and neonatal outcomes were selected. Prolonged second stage of labor was defined as 4 h or more in nulliparous women and 3 h or more in multiparous women. The main neonatal outcomes were 5 min Apgar score <7, admission to the Neonatal Intensive Care Unit, neonatal sepsis and neonatal death. Data collection and quality assessment were carried out independently by the three reviewers. Twelve studies were selected including 266,479 women. In nulliparous women, a second stage duration greater than 4 h increased the risk of 5 min Apgar score <7, admission to the Neonatal Intensive Care Unit and neonatal sepsis and intubation. In multiparous women, a second stage of labor greater than 3 h was related to 5 min Apgar score <7, admission to the Neonatal Intensive Care Unit, meconium staining and composite neonatal morbidity. Prolonged second stage of labor increased the risk of 5 min Apgar score <7 and admission to the Neonatal Intensive Care Unit in nulliparous and multiparous women, without increasing the risk of neonatal death. This review demonstrates that prolonged second stage of labor increases the risk of neonatal complications in nulliparous and multiparous women.

Keywords: Apgar score; meta-analysis; Neonatal Intensive Care Unit; neonatal morbidity; newborn care; labor stage; second; systematic review (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:gam:jijerp:v:17:y:2020:i:21:p:7762-:d:433765

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