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Published on: February 5, 2019
The association between persistent occiput posterior position and neonatal outcomes
Yvonne W Cheng1, Brian L Shaffer, Aaron B Caughey
1Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco 94143, USA. yvecheng@hotmail.com
Obstetrics and Gynecology
|April 4, 2006
Summary
Persistent occiput posterior position in newborns is linked to increased risks of adverse outcomes. This includes lower Apgar scores, birth trauma, and longer hospital stays, highlighting the importance of monitoring during labor.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Medicine
- Perinatal Research
Background:
- The fetal occiput posterior position can complicate labor and delivery.
- Understanding its impact on neonatal outcomes is crucial for clinical management.
Purpose of the Study:
- To investigate the association between persistent occiput posterior (OP) position and adverse neonatal outcomes.
- To compare outcomes of neonates born in OP versus occiput anterior (OA) positions.
Main Methods:
- Retrospective cohort study of 31,392 term, singleton births.
- Compared neonates in persistent OP position to those in OA position, excluding occiput transverse.
- Utilized multivariable regression to control for potential confounders.
Main Results:
- 8.2% of neonates were in OP position.
- OP position was associated with higher risks of Apgar score < 7, acidemic umbilical cord gases, meconium-stained fluid, birth trauma, NICU admission, and longer hospital stays.
- Odds ratios for adverse outcomes ranged from 1.29 to 2.69 for OP position compared to OA.
Conclusions:
- Persistent occiput posterior position at delivery is a risk factor for adverse neonatal outcomes.
- Findings are important for counseling pregnant individuals experiencing OP position during labor.

