Infant, small for gestational age Archives - Revista Brasileira de Ginecologia e Obstetrícia
, , , , , Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2024;46:e-rbgo30
, , , , , , , , To evaluate the mode of delivery according to Robson classification (RC) and the perinatal outcomes in fetal growth restriction (FGR) and small for gestational age (SGA) fetuses.
Retrospective cohort study by analyzing medical records of singleton pregnancies from two consecutive years (2018 and 2019). FGR was defined according to Delphi Consensus. The Robson groups were divided into two intervals (1–5.1 and 5.2–10).
Total of 852 cases were included: FGR (n = 85), SGA (n = 20) and control (n=747). FGR showed higher percentages of newborns < 1,500 grams (p<0.001) and higher overall cesarean section (CS) rates (p<0.001). FGR had the highest rates of neonatal resuscitation and neonatal intensive care unit admission (p<0.001). SGA and control presented higher percentage of patients classified in 1 - 5.1 RC groups, while FGR had higher percentage in 5.2 - 10 RC groups (p<0.001). FGR, SGA and control did not differ in the mode of delivery in the 1-5.1 RC groups as all groups showed a higher percentage of vaginal deliveries (p=0.476).
Fetuses with FGR had higher CS rates and worse perinatal outcomes than SGA and control fetuses. Most FGR fetuses were delivered by cesarean section and were allocated in 5.2 to 10 RC groups, while most SGA and control fetuses were allocated in 1 to 5.1 RC groups. Vaginal delivery occurred in nearly 60% of FGR allocated in 1-5.1 RC groups without a significant increase in perinatal morbidity. Therefore, the vaginal route should be considered in FGR fetuses.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2024;46:e-rbgo30
, , , , , , , , To evaluate the mode of delivery according to Robson classification (RC) and the perinatal outcomes in fetal growth restriction (FGR) and small for gestational age (SGA) fetuses.
Retrospective cohort study by analyzing medical records of singleton pregnancies from two consecutive years (2018 and 2019). FGR was defined according to Delphi Consensus. The Robson groups were divided into two intervals (1–5.1 and 5.2–10).
Total of 852 cases were included: FGR (n = 85), SGA (n = 20) and control (n=747). FGR showed higher percentages of newborns < 1,500 grams (p<0.001) and higher overall cesarean section (CS) rates (p<0.001). FGR had the highest rates of neonatal resuscitation and neonatal intensive care unit admission (p<0.001). SGA and control presented higher percentage of patients classified in 1 - 5.1 RC groups, while FGR had higher percentage in 5.2 - 10 RC groups (p<0.001). FGR, SGA and control did not differ in the mode of delivery in the 1-5.1 RC groups as all groups showed a higher percentage of vaginal deliveries (p=0.476).
Fetuses with FGR had higher CS rates and worse perinatal outcomes than SGA and control fetuses. Most FGR fetuses were delivered by cesarean section and were allocated in 5.2 to 10 RC groups, while most SGA and control fetuses were allocated in 1 to 5.1 RC groups. Vaginal delivery occurred in nearly 60% of FGR allocated in 1-5.1 RC groups without a significant increase in perinatal morbidity. Therefore, the vaginal route should be considered in FGR fetuses.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2015;37(2):59-63
DOI 10.1590/SO100-720320140005180
It was to compare the use of two growth curves for the diagnosis of small-for-gestational-age (SGA) infants, having the 10thpercentile as reference.
In a retrospective study, data of 20,567 singleton live births from January 2003 to June 2014 were analyzed, and divided according to gestational age: (a) 23 to 26, (b) 26 to 29, (c) 29 to 32, (d) 32 to 35, (e) 35 to 38, (f) 38 to 41 and (g) >41 weeks. Data were paired and analyzed using the McNemar test, with the level of significance set at 0.05.
The curve designed by Alexander indicated a higher percentage of diagnosis of SGA than the curve constructed by Fenton for every category of gestational age up to 41 weeks, more markedly in the 32-35 week group (18.5%). Between 37 and 40 weeks of gestational age, Alexander's curve exceeded Fenton's curve in 9.1% of the cases in the diagnosis of SGA.
The Fenton curve provides a more accurate evaluation of an infant's growth since it is gender-specific and allows measurement of three parameters. It has also been constructed with newer data and more sophisticated statistical tools.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2015;37(2):59-63
DOI 10.1590/SO100-720320140005180
It was to compare the use of two growth curves for the diagnosis of small-for-gestational-age (SGA) infants, having the 10thpercentile as reference.
In a retrospective study, data of 20,567 singleton live births from January 2003 to June 2014 were analyzed, and divided according to gestational age: (a) 23 to 26, (b) 26 to 29, (c) 29 to 32, (d) 32 to 35, (e) 35 to 38, (f) 38 to 41 and (g) >41 weeks. Data were paired and analyzed using the McNemar test, with the level of significance set at 0.05.
The curve designed by Alexander indicated a higher percentage of diagnosis of SGA than the curve constructed by Fenton for every category of gestational age up to 41 weeks, more markedly in the 32-35 week group (18.5%). Between 37 and 40 weeks of gestational age, Alexander's curve exceeded Fenton's curve in 9.1% of the cases in the diagnosis of SGA.
The Fenton curve provides a more accurate evaluation of an infant's growth since it is gender-specific and allows measurement of three parameters. It has also been constructed with newer data and more sophisticated statistical tools.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2006;28(9):513-522
DOI 10.1590/S0100-72032006000900003
PURPOSE: to describe, in participants of the Brazilian Study of Gestational Diabetes (EBDG), the percentile distribution of uterine height by gestational age and to validate the use of percentiles of the chart derived by the "Centro Latino-Americano de Perinatologia" (CLAP), used as reference in predicting abnormal fetal growth. METHODS: the EBDG is a cohort study of 5564 pregnant women older than 19 years, followed through and after delivery. Interviews and standardized anthropometry were performed at baseline between 20-28 weeks. Medical records covering prenatal and delivery periods were then reviewed following a standardized approach. Analyses pertain to 3539 women with gestational age confirmed by ultrasound. Diagnostic properties of the 10th and the 90th percentiles of both charts (EBDG and CLAP) as predictors of abnormal neonatal weight were determined. RESULTS: uterine height was higher in EBDG than in the CLAP chart at every gestational week, being 1-4 and 2-6 cm greater, at the 10th and 90th percentiles respectively. The CLAP 10th percentile classified as small the uterine heights of only 0.3 to 1.7% of Brazilian women, while the 90th percentile classified as large the uterine heights of 42 to 57% of the sample. The sensitivity of CLAP percentile 10 in the prediction of small for gestational age varied from 0.8 to 6% and the specificity of CLAP percentile 90 in the prediction of large for gestational age, from 46 to 61%. CONCLUSIONS: the CLAP uterine height reference chart does not reflect the current uterine growth pattern of pregnant Brazilians, limiting its clinical applicability in the detection of abnormal fetal growth, especially intrauterine growth restriction.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2006;28(9):513-522
DOI 10.1590/S0100-72032006000900003
PURPOSE: to describe, in participants of the Brazilian Study of Gestational Diabetes (EBDG), the percentile distribution of uterine height by gestational age and to validate the use of percentiles of the chart derived by the "Centro Latino-Americano de Perinatologia" (CLAP), used as reference in predicting abnormal fetal growth. METHODS: the EBDG is a cohort study of 5564 pregnant women older than 19 years, followed through and after delivery. Interviews and standardized anthropometry were performed at baseline between 20-28 weeks. Medical records covering prenatal and delivery periods were then reviewed following a standardized approach. Analyses pertain to 3539 women with gestational age confirmed by ultrasound. Diagnostic properties of the 10th and the 90th percentiles of both charts (EBDG and CLAP) as predictors of abnormal neonatal weight were determined. RESULTS: uterine height was higher in EBDG than in the CLAP chart at every gestational week, being 1-4 and 2-6 cm greater, at the 10th and 90th percentiles respectively. The CLAP 10th percentile classified as small the uterine heights of only 0.3 to 1.7% of Brazilian women, while the 90th percentile classified as large the uterine heights of 42 to 57% of the sample. The sensitivity of CLAP percentile 10 in the prediction of small for gestational age varied from 0.8 to 6% and the specificity of CLAP percentile 90 in the prediction of large for gestational age, from 46 to 61%. CONCLUSIONS: the CLAP uterine height reference chart does not reflect the current uterine growth pattern of pregnant Brazilians, limiting its clinical applicability in the detection of abnormal fetal growth, especially intrauterine growth restriction.
