Can Sonographic Fetal Biometry Predict Adverse Perinatal Outcome?
Jutta Pretscher1, Eva Schwenke1, Friederike Baier1
1Obstetrics and Gynecology, University Hospital of Erlangen, Germany.
Ultraschall in Der Medizin (Stuttgart, Germany : 1980)
|November 6, 2018
Summary
Sonographic fetal biometry, including head and abdominal circumference, can help predict obstetric interventions and shoulder dystocia. However, these measurements alone are insufficient for managing adverse perinatal outcomes.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Medicine
- Diagnostic Ultrasound
Background:
- Fetal biometry measurements are routinely used in obstetric care.
- Accurate assessment of fetal size is crucial for predicting delivery outcomes and potential complications.
Purpose of the Study:
- To evaluate the association between sonographic fetal biometry (head circumference, abdominal circumference, estimated fetal weight) and the mode of delivery.
- To assess the predictive value of these biometric parameters for adverse perinatal outcomes.
Main Methods:
- Retrospective analysis of singleton pregnancies (gestational age ≥ 37 weeks) with pre-delivery ultrasound scans.
- Logistic regression analyses were used to examine associations between sonographic measurements and maternal/fetal outcomes.
Main Results:
- Sonographic head circumference (soHC) and abdominal circumference (soAC) significantly predicted obstetric interventions (OI).
- soAC was a significant predictor of shoulder dystocia (ShD).
- Estimated fetal weight (EFW) did not significantly predict OI or ShD; detection rates for adverse outcomes were poor.
Conclusions:
- Sonographic fetal biometry parameters like soHC and soAC have predictive value for specific adverse outcomes such as obstetric interventions and shoulder dystocia.
- Current biometric measurements and EFW are insufficient for sole reliance in obstetric management decisions.
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