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Persistent occiput posterior presentation--a clinical problem
1Department of Obstetrics and Gynecology, Vaasa Central Hospital, Finland.
Acta Obstetricia Et Gynecologica Scandinavica
|January 1, 1994
Summary
Persistent occiput posterior position (OPP) complicates 4.7% of labors. OPP deliveries often require operative intervention and result in longer labor durations, particularly stage II, with heavier newborns.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Medicine
- Maternal-Fetal Medicine
Background:
- Persistent occiput posterior position (OPP) is a malpresentation that can complicate labor and delivery.
- Understanding the incidence and impact of OPP is crucial for optimizing obstetric care.
Purpose of the Study:
- To determine the frequency of persistent occiput posterior position (OPP) in labor.
- To investigate the effects of OPP on labor duration, delivery mode, and neonatal birthweight.
Main Methods:
- Retrospective review of 3648 delivery records.
- Analysis of labor characteristics and outcomes in cases of OPP compared to the general obstetric population.
Main Results:
- OPP occurred in 4.7% of deliveries.
- Operative delivery rates were high in the OPP group, with less than half delivered spontaneously.
- Both total labor duration and the second stage of labor were significantly prolonged in the OPP group.
- Neonates in the OPP group had a significantly higher average birthweight (79g greater than average).
Conclusions:
- Persistent occiput posterior position is a significant complication affecting nearly 5% of labors.
- OPP is associated with increased operative delivery rates and prolonged labor stages.
- The findings highlight the importance of recognizing and managing OPP for improved labor outcomes.
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