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Updated: Jun 18, 2026

14:40
Instrumentation of Near-term Fetal Sheep for Multivariate Chronic Non-anesthetized Recordings
Published on: October 25, 2015
[Antenatal fetal surveillance]
Roseli Mieko Yamamoto Nomura1, Seizo Miyadahira, Marcelo Zugaib
1Departamento de Obstetrícia e Ginecologia, Faculdade de Medicina, Universidade de São Paulo - USP - São Paulo, SP, Brasil. roseli.nomura@terra.com.br
Summary
Prenatal evaluation identifies high-risk fetuses using biophysical profiles and Doppler velocimetry. Joint analysis of these methods improves understanding of fetal response to hypoxia and enhances perinatal outcomes.
Area of Science:
- Obstetrics and Gynecology
- Fetal Medicine
- Perinatology
Background:
- Modern medical practice requires obstetricians and gynecologists to stay updated on scientific and technological advancements.
- Prenatal evaluation is crucial for identifying fetuses at risk of adverse outcomes, enabling preventive measures.
Purpose of the Study:
- To highlight the importance of comprehensive prenatal evaluation in identifying at-risk fetuses.
- To discuss the utility of fetal biophysical profile and Doppler velocimetry in managing high-risk pregnancies.
Main Methods:
- Determination of fetal biophysical profile within the clinical context.
- Application of Doppler velocimetry of the umbilical artery in high-risk gestations.
- Utilizing Doppler velocimetry of the venous duct for fetal growth restriction before 34 weeks gestation.
Main Results:
- Doppler velocimetry of the umbilical artery aids in improving perinatal outcomes in high-risk pregnancies.
- Doppler velocimetry of the venous duct is valuable for managing fetal growth restriction due to severe placental insufficiency.
- No single test is definitive; combined analysis of methods offers better insight into fetal vitality.
Conclusions:
- Integrated assessment of prenatal diagnostic tools is essential for optimal fetal well-being.
- Effective management of high-risk pregnancies relies on understanding fetal response to hypoxia through various evaluation methods.
- Continuous advancements in technology and scientific understanding enhance the capabilities of obstetric and gynecologic care.
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