AI Article Synopsis
- The study aimed to analyze pregnancy outcomes for women beyond 39 weeks of gestation compared to those delivering at 39 weeks.
- It involved 4086 women and found that risks for maternal complications and cesarean deliveries significantly increased as gestation exceeded 39 weeks, with higher odds ratios for both at 40 and 41 weeks.
- While maternal risks rose notably after 39 weeks, the study concluded that there was no significant increase in neonatal morbidity for babies born beyond this gestational age.
Article Abstract
Objective: The objective of the study was to compare pregnancy outcomes by completed week of gestation after 39 weeks with outcomes at 39 weeks.
Study Design: Secondary analysis of a multicenter trial of fetal pulse oximetry in spontaneously laboring or induced nulliparous women at a gestation of 36 weeks or longer. Maternal outcomes included a composite (treated uterine atony, blood transfusion, and peripartum infections) and cesarean delivery. Neonatal outcomes included a composite of death, neonatal respiratory and other morbidities, and neonatal intensive care unit admission.
Results: Among the 4086 women studied, the risks of the composite maternal outcome (P value for trend < .001), cesarean delivery (P < .001), and composite neonatal outcome (P = .047) increased with increasing gestational age from 39 to 41 or more completed weeks. Adjusted odds ratios (95% confidence interval) for 40 and 41 or more weeks, respectively, compared with 39 weeks were 1.29 (1.03-1.64) and 2.05 (1.60-2.64) for composite maternal outcome, 1.28 (1.05-1.57) and 1.75 (1.41-2.16) for cesarean delivery, and 1.25 (0.86-1.83) and 1.37 (0.90-2.09) for composite neonatal outcome.
Conclusion: Risks of maternal morbidity and cesarean delivery but not neonatal morbidity increased significantly beyond 39 weeks.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3292690 | PMC |
| http://dx.doi.org/10.1016/j.ajog.2011.12.006 | DOI Listing |
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