Detection of the Small-for-Gestational Age Twin Fetus by a Two-Stage Ultrasound Examination Schedule

1982 ◽  
Vol 31 (3-4) ◽  
pp. 235-240 ◽  
Author(s):  
J.P. Neilson
Keyword(s):  
Early Pregnancy ◽  
Gestational Age ◽  
Small For Gestational Age ◽  
Ultrasound Examination ◽  
Ultrasonic Measurement ◽  
Two Stage ◽  
Crown Rump Length ◽  
Biparietal Diameter ◽  
Ultrasonic Assessment ◽  
Twin Pregnancies

Serial ultrasonic measurement of the biparietal diameter is an unsatisfactory means of detecting the small-for-gestational age (SGA) fetus in twin pregnancies. A new two-stage ultrasound examination schedule, highly effective in detecting the SGA singleton fetus, has been evaluated prospectively in 31 twin pregnancies. The schedule comprises ultrasonic assessment of gestational age in early pregnancy, followed by measurement of the product of the crown–rump length and trunk area of both fetuses at 34–36 weeks. All Nineteen SGA twin fetuses were detected using this schedule; the technique offers several other advantages over serial biparietal cephalometry.

Association Between Twin Discordance at 6–9 Weeks' of Gestation and Birthweight Complications

2010 ◽  
Vol 13 (4) ◽  
pp. 389-392 ◽  
Author(s):  
Kirsten Palmer ◽  
Pavitra Delpachitra ◽  
Joseph Onwude ◽  
Luk Rombauts ◽  
Simon Meagher ◽  
...  
Keyword(s):  
Clinical Significance ◽  
Gestational Age ◽  
Small For Gestational Age ◽  
First Trimester ◽  
In Vitro Fertilisation ◽  
Crown Rump Length ◽  
Increased Risk ◽  
Twin Pregnancies

AbstractTwins achieved through in-vitro fertilisation often undergo a viability ultrasound at 6–9 weeks of gestation. The presence of inter-twin crown-rump length discordance at this stage is not an uncommon finding; however the clinical significance of this is unknown. We analyzed 218 dichorionic twin pregnancies, producing two live fetuses > 24 weeks gestation, to determine whether inter-twin discordance (≥ 85th centile) in the mid-first trimester was associated with birthweight discordance (> 20%), or small for gestational age (< 10th centile). The incidence of birthweight discordance and small for gestational age infants were determined, with no increased risk found for the discordant population. This may provide some reassurance to treating clinicians.

scholarly journals Does Lack of Multinutrient Supplementation During Early Pregnancy Increase Vulnerability to Alcohol-Related Preterm or Small-for-Gestational-Age Births?

2010 ◽  
Vol 15 (8) ◽  
pp. 1324-1332 ◽  
Author(s):  
Lyndsay Ammon Avalos ◽  
Lee Kaskutas ◽  
Gladys Block ◽  
Barbara Abrams ◽  
De-Kun Li
Keyword(s):  
Early Pregnancy ◽  
Gestational Age ◽  
Small For Gestational Age

scholarly journals Perinatal Outcomes of Small for Gestational Age in Twin Pregnancies: Twin vs. Singleton Charts

2021 ◽  
Vol 10 (4) ◽  
pp. 643
Author(s):  
Veronica Giorgione ◽  
Corey Briffa ◽  
Carolina Di Fabrizio ◽  
Rohan Bhate ◽  
Asma Khalil
Keyword(s):  
Birth Weight ◽  
Preterm Birth ◽  
Gestational Age ◽  
Small For Gestational Age ◽  
Perinatal Death ◽  
Perinatal Outcomes ◽  
Adverse Outcomes ◽  
Chi Square ◽  
Increased Risk ◽  
Twin Pregnancies

Twin pregnancies are commonly assessed using singleton growth and birth weight reference charts. This practice has led to a significant number of twins labelled as small for gestational age (SGA), causing unnecessary interventions and increased risk of iatrogenic preterm birth. However, the use of twin-specific charts remains controversial. This study aims to assess whether twin-specific estimated fetal weight (EFW) and birth weight (BW) charts are more predictive of adverse outcomes compared to singleton charts. Centiles of EFW and BW were calculated using previously published singleton and twin charts. Categorical data were compared using Chi-square or McNemar tests. The study included 1740 twin pregnancies, with the following perinatal adverse outcomes recorded: perinatal death, preterm birth <34 weeks, hypertensive disorders of pregnancy (HDP) and admissions to the neonatal unit (NNU). Twin-specific charts identified prenatally and postnatally a smaller proportion of infants as SGA compared to singleton charts. However, twin charts showed a higher percentage of adverse neonatal outcomes in SGA infants than singleton charts. For example, perinatal death (SGA 7.2% vs. appropriate for gestational age (AGA) 2%, p < 0.0001), preterm birth <34 weeks (SGA 42.1% vs. AGA 16.4%, p < 0.0001), HDP (SGA 21.2% vs. AGA 13.5%, p = 0.015) and NNU admissions (SGA 69% vs. AGA 24%, p < 0.0001), when compared to singleton charts (perinatal death: SGA 2% vs. AGA 1%, p = 0.029), preterm birth <34 weeks: (SGA 20.6% vs. AGA 17.4%, p = 0.020), NNU admission: (SGA 34.5% vs. AGA 23.9%, p < 0.000). There was no significant association between HDP and SGA using the singleton charts (p = 0.696). In SGA infants, according to the twin charts, the incidence of abnormal umbilical artery Doppler was significantly more common than in SGA using the singleton chart (27.0% vs. 8.1%, p < 0.001). In conclusion, singleton charts misclassify a large number of twins as at risk of fetal growth restriction. The evidence suggests that the following twin-specific charts could reduce unnecessary medical interventions prenatally and postnatally.

scholarly journals Is fetal abdominal circumference predictive of small for gestational age birthweight in twin pregnancies?

2022 ◽  
Vol 226 (1) ◽  
pp. S626
Author(s):  
Daniela A. Febres-Cordero ◽  
Ayodele Ajayi ◽  
Liberty G. Reforma ◽  
Alyssa L. Trochtenberg ◽  
Anna M. Modest ◽  
...  
Keyword(s):  
Gestational Age ◽  
Small For Gestational Age ◽  
Abdominal Circumference ◽  
Twin Pregnancies

Sonographic Correlation Between Distal Femoral Epiphysis Ossification Centre And Gestational Age From 28 Weeks To 40 Weeks In Population Of Faisalabad City

2020 ◽  
pp. 12-19
Author(s):  
OJS Admin
Keyword(s):  
Gestational Age ◽  
Age Estimation ◽  
Abdominal Circumference ◽  
Perinatal Morbidity ◽  
Ossification Centre ◽  
Age Assessment ◽  
Crown Rump Length ◽  
Biparietal Diameter ◽  
Distal Femoral Epiphysis ◽  
Ossification Centers

Gestational age assessment is one of the most important tool used for estimation of perinatal morbidity and mortality. Age estimation of fetus can be recorded with the help of various parameters such as biparietal diameter, abdominal circumference, head circumference, length of the kidneys, crown rump length, length of the long bones and ossification centers.

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