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[Gestation of 42 weeks or longer. Management protocol]
H Cazenave1, W Stanley, A M Hernández
1Servicio de Obstetricia y Ginecología, Maternidad del Hospital Barros Luco-Trudeau.
Revista Chilena De Obstetricia Y Ginecologia
|January 1, 1989
Summary
This study on post-term pregnancies (gestation 42+ weeks) found that while many labors began spontaneously, nearly half required intervention, including cesarean sections, due to fetal well-being concerns. No neonatal mortality was observed.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Medicine
- Maternal-Fetal Medicine
Context:
- Prospective evaluation of 98 patients with post-term pregnancies (gestation 42 weeks and beyond).
- Exclusion of patients with uncertain gestational age.
- Fetal surveillance included electronic monitoring, sonography, and amnioscopy.
Purpose:
- To assess perinatal outcomes in pregnancies extending to 42 weeks or more.
- To identify indications for labor interruption and delivery methods in post-term pregnancies.
- To evaluate neonatal morbidity and mortality in this cohort.
Summary:
- 55.1% of post-term pregnancies initiated labor spontaneously; 44.9% required intervention.
- Primary reasons for intervention included a high Bishop score (>7) and signs of fetal distress.
- Cesarean section was performed in 31.6% of cases.
- Neonatal morbidity rate was 19.4%, with no reported neonatal mortality.
Impact:
- Provides data on the management and outcomes of post-term pregnancies.
- Highlights the importance of vigilant fetal monitoring in prolonged gestation.
- Informs clinical decision-making regarding labor induction versus expectant management in post-term cases.