Sonographic prediction of small and large for gestational age in breech-presenting fetuses
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Anat Shmueli
Abstract
Introduction:
To evaluate various sonographic estimated fetal weight (sEFW) formulas’ accuracy for small- and large-for-gestational age (SGA/LGA) prediction in breech-presenting fetuses.
Materials and methods:
A retrospective analysis of all ultrasound-based fetal biometrical measurements performed within 3 days of delivery in term pregnancies, in one medical center (2007–2014). Overall, 274 breech-presenting fetuses (study group) were compared to 274 vertex-presenting fetuses (control group) matched by gender, gestational age and birth weight. sEFW was calculated by six previously published formulas. Accuracy was compared utilizing systematic error and random error for every formula. Prediction precision of SGA and LGA was evaluated by calculating each formula’s sensitivity, specificity, +/− predictive value, and the area under the receiver-operating characteristic (ROC) curve (AUC).
Results:
Systematic error and random error varied greatly between formulas, ranging from −7.4% to 3.1%, 7.3% to 8.3% for the vertex-presenting fetuses and −8.9% to 1.9%, 7.9% to 8.6% for the breech-presenting fetuses, respectively. There was no statistical difference in small- or large-for-gestational age prediction parameters between the groups. The highest sensitivity and specificity for prediction was achieved by same formula regardless of presentation.
Conclusion:
In our cohort, overall accuracy was slightly superior among vertex-presenting fetuses without difference in prediction accuracy for small- and large-for-gestational age neonates.
Author’s statement
Conflict of interest: Authors state no conflict of interest.
Material and methods: Informed consent: Informed consent has been obtained from all individuals included in this study.
Ethical approval: The research related to human subject use has complied with all the relevant national regulations, and institutional policies, and is in accordance with the tenets of the Helsinki Declaration, and has been approved by the authors’ institutional review board or equivalent committee (Rabin Medical Center) No. 0106-16-RMC.
Funding: None
References
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Editorial
- Antenatal and prepregnancy care – prevention of perinatal morbidity and mortality
- Review article
- Fetal interventional procedures and surgeries: a practical approach
- Opinion paper
- Inverted pyramid of prenatal care – is it enough? Should it be – extended inverted pyramid of prenatal care?
- Research articles
- Expectant management in di-chorionic pregnancies complicated by discordant anomalous twin
- Pregnancy outcomes among patients with recurrent pregnancy loss and uterine anatomic abnormalities
- Early postnatal echocardiographic assessment of pulmonary blood flow in newborns with congenital diaphragmatic hernia
- Sonographic prediction of small and large for gestational age in breech-presenting fetuses
- Comparison of fetal weight distribution improved by paternal height by Spanish standard versus Intergrowth 21st standard
- Can early ultrasonography explain the lower miscarriage rates in twin as compared to singleton pregnancies following assisted reproduction?
- Pregnancy outcomes among patients with recurrent pregnancy loss and chromosomal aberration (CA) without PGD
- Regular research articles
- Induction of labor in twin gestation: can we predict success?
- Low dose aspirin for preventing fetal growth restriction: a randomised trial
- Mid-pregnancy cervical length as a risk factor for cesarean section in women with twin pregnancies
- Efficacy of three different regimens in recovery of bowel function following elective cesarean section: a randomized trial
- Obstetrical, maternal and neonatal outcomes in pregnancies affected by muscular dystrophy
- Fetal brain development in diabetic pregnancies and normal controls
- Body composition in preterm infants with intrauterine growth restriction: a cohort study
- Commentary
- Professionally responsible management of gynecologic cancer in pregnancy when clinical resources are unavoidably limited
- Letters to the Editor
- Erroneous conclusion due to mis-calculation of data: reply to Rai SE, Sidhu AK, Krishnan RJ. Transfusion-associated necrotizing enterocolitis re-evaluated: a systematic review and meta-analysis. J Perinat Med 2017
- Reply to: Letter to the Editor by Stritzke A and Shah PS. Transfusion-associated necrotizing enterocolitis re-evaluated: a systematic review and meta-analysis
- Congenital Zika syndrome in non-endemic regions
- Reply to: Congenital Zika syndrome in non-endemic regions: A neuroimaging pattern-based approach
Articles in the same Issue
- Frontmatter
- Editorial
- Antenatal and prepregnancy care – prevention of perinatal morbidity and mortality
- Review article
- Fetal interventional procedures and surgeries: a practical approach
- Opinion paper
- Inverted pyramid of prenatal care – is it enough? Should it be – extended inverted pyramid of prenatal care?
- Research articles
- Expectant management in di-chorionic pregnancies complicated by discordant anomalous twin
- Pregnancy outcomes among patients with recurrent pregnancy loss and uterine anatomic abnormalities
- Early postnatal echocardiographic assessment of pulmonary blood flow in newborns with congenital diaphragmatic hernia
- Sonographic prediction of small and large for gestational age in breech-presenting fetuses
- Comparison of fetal weight distribution improved by paternal height by Spanish standard versus Intergrowth 21st standard
- Can early ultrasonography explain the lower miscarriage rates in twin as compared to singleton pregnancies following assisted reproduction?
- Pregnancy outcomes among patients with recurrent pregnancy loss and chromosomal aberration (CA) without PGD
- Regular research articles
- Induction of labor in twin gestation: can we predict success?
- Low dose aspirin for preventing fetal growth restriction: a randomised trial
- Mid-pregnancy cervical length as a risk factor for cesarean section in women with twin pregnancies
- Efficacy of three different regimens in recovery of bowel function following elective cesarean section: a randomized trial
- Obstetrical, maternal and neonatal outcomes in pregnancies affected by muscular dystrophy
- Fetal brain development in diabetic pregnancies and normal controls
- Body composition in preterm infants with intrauterine growth restriction: a cohort study
- Commentary
- Professionally responsible management of gynecologic cancer in pregnancy when clinical resources are unavoidably limited
- Letters to the Editor
- Erroneous conclusion due to mis-calculation of data: reply to Rai SE, Sidhu AK, Krishnan RJ. Transfusion-associated necrotizing enterocolitis re-evaluated: a systematic review and meta-analysis. J Perinat Med 2017
- Reply to: Letter to the Editor by Stritzke A and Shah PS. Transfusion-associated necrotizing enterocolitis re-evaluated: a systematic review and meta-analysis
- Congenital Zika syndrome in non-endemic regions
- Reply to: Congenital Zika syndrome in non-endemic regions: A neuroimaging pattern-based approach
