Incidence of neonatal morbidity in small-for-gestational-age twins based on singleton and twin charts
© 2023 International Society of Ultrasound in Obstetrics and Gynecology..
OBJECTIVE: To compare morbidity, as measured by length of stay in the neonatal intensive care unit (NICU), in twin and singleton gestations classified as small-for-gestational age (SGA) according to estimated fetal weight < 10th percentile on twin or singleton growth charts.
METHODS: NICU length of stay was compared in 1150 twins and 29 035 singletons that underwent ultrasound assessment between 35 + 0 and 36 + 6 weeks' gestation. Estimated fetal weight was obtained from measurements of head circumference, abdominal circumference and femur length using the Hadlock formula. Gestational age was derived from the first-trimester crown-rump length measurement, using the larger of the two twins. Singletons and twins were compared in terms of NICU admission rate and length of stay according to classification as SGA by the Fetal Medicine Foundation singleton and twin reference distributions.
RESULTS: The overall proportions of twins and singletons admitted to NICU were similar (7.3% vs 7.4%), but twins tended to have longer lengths of stay in NICU (≥ 7 days: 2.4% vs 0.8%; relative risk (RR), 3.0 (95% CI, 1.6-4.4)). Using the singleton chart, a higher proportion of twins were classified as SGA compared with singletons (37.6% vs 7.0%). However, the proportion of SGA neonates entering NICU was similar (10.2% for twins and 10.1% for singletons) and the proportion of SGA neonates spending ≥ 7 days in NICU was substantially higher for twins compared with singletons (3.7% vs 1.4%; RR, 2.6 (95% CI, 1.4-4.7)).
CONCLUSIONS: When singleton charts are used to define SGA in twins and in singletons, there is a greater degree of growth-related neonatal morbidity amongst SGA twins compared with SGA singletons. Consequently, singleton charts do not inappropriately overdiagnose fetal growth restriction in twins and they should be used for monitoring fetal growth in both twins and singletons. © 2023 International Society of Ultrasound in Obstetrics and Gynecology.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:63 |
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| Enthalten in: |
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology - 63(2024), 3 vom: 04. März, Seite 365-370 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wright, D [VerfasserIn] |
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| Links: |
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| Themen: |
Dichorionic twins |
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| Anmerkungen: |
Date Completed 04.03.2024 Date Revised 05.04.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.1002/uog.27499 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM362400784 |
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| 041 | |a eng | ||
| 100 | 1 | |a Wright, D |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Incidence of neonatal morbidity in small-for-gestational-age twins based on singleton and twin charts |
| 264 | 1 | |c 2024 | |
| 336 | |a Text |b txt |2 rdacontent | ||
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| 500 | |a Date Completed 04.03.2024 | ||
| 500 | |a Date Revised 05.04.2024 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023 International Society of Ultrasound in Obstetrics and Gynecology. | ||
| 520 | |a OBJECTIVE: To compare morbidity, as measured by length of stay in the neonatal intensive care unit (NICU), in twin and singleton gestations classified as small-for-gestational age (SGA) according to estimated fetal weight < 10th percentile on twin or singleton growth charts | ||
| 520 | |a METHODS: NICU length of stay was compared in 1150 twins and 29 035 singletons that underwent ultrasound assessment between 35 + 0 and 36 + 6 weeks' gestation. Estimated fetal weight was obtained from measurements of head circumference, abdominal circumference and femur length using the Hadlock formula. Gestational age was derived from the first-trimester crown-rump length measurement, using the larger of the two twins. Singletons and twins were compared in terms of NICU admission rate and length of stay according to classification as SGA by the Fetal Medicine Foundation singleton and twin reference distributions | ||
| 520 | |a RESULTS: The overall proportions of twins and singletons admitted to NICU were similar (7.3% vs 7.4%), but twins tended to have longer lengths of stay in NICU (≥ 7 days: 2.4% vs 0.8%; relative risk (RR), 3.0 (95% CI, 1.6-4.4)). Using the singleton chart, a higher proportion of twins were classified as SGA compared with singletons (37.6% vs 7.0%). However, the proportion of SGA neonates entering NICU was similar (10.2% for twins and 10.1% for singletons) and the proportion of SGA neonates spending ≥ 7 days in NICU was substantially higher for twins compared with singletons (3.7% vs 1.4%; RR, 2.6 (95% CI, 1.4-4.7)) | ||
| 520 | |a CONCLUSIONS: When singleton charts are used to define SGA in twins and in singletons, there is a greater degree of growth-related neonatal morbidity amongst SGA twins compared with SGA singletons. Consequently, singleton charts do not inappropriately overdiagnose fetal growth restriction in twins and they should be used for monitoring fetal growth in both twins and singletons. © 2023 International Society of Ultrasound in Obstetrics and Gynecology | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a dichorionic twins | |
| 650 | 4 | |a fetal growth | |
| 650 | 4 | |a fetal growth restriction | |
| 650 | 4 | |a growth monitoring | |
| 650 | 4 | |a monochorionic twins | |
| 650 | 4 | |a preterm birth | |
| 650 | 4 | |a singleton reference distribution | |
| 650 | 4 | |a twin pregnancy | |
| 650 | 4 | |a twin reference distribution | |
| 700 | 1 | |a Wright, A |e verfasserin |4 aut | |
| 700 | 1 | |a Rehal, A |e verfasserin |4 aut | |
| 700 | 1 | |a Syngelaki, A |e verfasserin |4 aut | |
| 700 | 1 | |a Kristensen, S E |e verfasserin |4 aut | |
| 700 | 1 | |a Petersen, O B |e verfasserin |4 aut | |
| 700 | 1 | |a Nicolaides, K H |e verfasserin |4 aut | |
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