<scp>ISUOG</scp> Practice Guidelines: performance of third‐trimester obstetric ultrasound scan

Khalil, A.; Sotiriadis, A.; D'Antonio, F.; Da Silva Costa, F.; Odibo, A.; Prefumo, F.; Papageorghiou, A. T.; Salomon, L. J.

doi:10.1002/uog.27538

Cited by 18 publications

References 88 publications

(147 reference statements)

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Placental cord insertion migration: Implications for ultrasound documentation and follow‐up of abnormal placental cord insertion site

Ward,

Sun,

Maresse

2024

Australas J Ultrason Med

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Introduction/PurposeIt is well‐documented in the literature that the placenta migrates during pregnancy; however, studies regarding placental cord insertion (PCI) migration are scarce. This longitudinal, prospective study aimed to determine whether PCI migration is a true phenomenon, to assess whether the PCI can change classification during pregnancy and to determine the validity of PCI site documentation including follow‐up of abnormal PCI.MethodsEighty‐three participants who had first, second and third trimester ultrasound examinations at a Western Australian private imaging practice over a 12‐month period between November 2021 and November 2022 were recruited. The measured distance of the lower margin of the placenta to the cervix, the distance of the PCI to the closest placental edge and the PCI classification were documented in each trimester. Data analysis was conducted to determine PCI migration rates during pregnancy and to test for association between PCI migration and maternal and placental factors.ResultsThe PCI migrated during pregnancy and the PCI classification has the potential to evolve. All identifiable PCIs that were normal in first trimester remained so throughout the pregnancy. The majority (67.6%) of cord insertions that were marginal in first trimester progressed to a normal insertion site by third trimester; 23.5% remained marginal and 8.8% evolved to a velamentous insertion. Three velamentous cord insertions were recorded in first trimester, none of which normalised—two remained velamentous during the pregnancy and one evolved to marginal in second trimester. Marginal cord insertions (MCIs) ≤10 mm from the placental edge in second trimester remained marginal in third trimester; MCIs that were >15 mm from the placental edge in second trimester normalised in third trimester.ConclusionsPlacental cord insertion migration is a phenomenon that occurs during pregnancy with the potential for PCI classification to evolve. Due to the association between abnormal PCI and perinatal complications, coupled with the potential for marginal cord insertion to evolve, documentation of PCI and follow‐up of abnormal PCI is beneficial, particularly in cases of velamentous insertion and marginal insertion at the placental edge or in the lower uterus.

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Placental cord insertion migration: Implications for ultrasound documentation and follow‐up of abnormal placental cord insertion site

Ward,

Sun,

Maresse

2024

Australas J Ultrason Med

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Placental and umbilical cord anomalies detected by ultrasound as clinical risk factors of adverse perinatal outcome: Case series review of selected conditions. Part 1: Placental abnormalities

Tonni,

Lituania,

Cecchi

et al. 2024

J of Clinical Ultrasound

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BackgroundThe aim of this extended review of multicenter case series is to describe the prenatal ultrasound features and pathogenetic mechanisms underlying placental and umbilical cord anomalies and their relationship with adverse perinatal outcome. From an educational point of view, the case series has been divided in three parts; Part 1 is dedicated to placental abnormalities.MethodsMulticenter case series of women undergoing routine and extended prenatal ultrasound and perinatal obstetric care.ResultsPrenatal ultrasound findings, perinatal care, and pathology documentation in cases of placental pathology are presented.ConclusionsOur case series review and that of the medical literature confirms the ethiopathogenetic role and involvement of placenta abnormalities in a wide variety of obstetrics diseases that may jeopardize the fetal well‐being. Some of these specific pathologies are strongly associated with a high risk of poor perinatal outcome.

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The Prenatal Ultrasound Diagnosis and Perinatal Outcome of Polydactyly

Xiong,

Hou,

Song

et al. 2024

J of Ultrasound Medicine

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ObjectiveTo determine the significance of polydactyly identified on prenatal ultrasonography and provide a detailed analysis of characteristics and perinatal outcomes of fetal polydactyly.MethodsThis is a retrospective cohort study of pregnancies with a postnatal diagnosis of fetal polydactyly between January 2016 and December 2023. The population was divided into 2 groups at postnatal diagnosis: the isolated polydactyly group and the nonisolated polydactyly group. Clinical data, prenatal ultrasonography, related genetic results, and postnatal outcomes were obtained.ResultsOur study cohort comprised 328 fetuses with polydactyly. The overall detection rate of polydactyly by prenatal ultrasound was 19.2%, and the first detection rate in the first‐, second‐, and third‐trimester were 0.9%, 14.6%, and 3.7%, respectively. Preaxial polydactyly (PPD) of hand was the most common type and the most common type of foot polydactyly was postaxial polydactyly (PAP) both in the isolated group and in the nonisolated group; the central polydactyly is rare. Syndactyly was the most common abnormality complicated with polydactyly. Between the nonpolydactyly group, the isolatedpolydactyly group and the nonisolated polydactyly group, there was a significant difference in perinatal outcome (P < .001).ConclusionThe second trimester is the best gestational age for prenatal ultrasound detection of polydactyly. Polydactyly of hand was more likely PPD, while polydactyly of foot was more likely PAP. When polydactyly is detected by routine prenatal ultrasound, detailed ultrasound examination and prenatal counseling should be performed to determine the possibility of an underlying genetic syndrome.

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ISUOG Practice Guidelines: performance of third‐trimester obstetric ultrasound scan

Cited by 18 publications

References 88 publications

Placental cord insertion migration: Implications for ultrasound documentation and follow‐up of abnormal placental cord insertion site

Placental cord insertion migration: Implications for ultrasound documentation and follow‐up of abnormal placental cord insertion site

Placental and umbilical cord anomalies detected by ultrasound as clinical risk factors of adverse perinatal outcome: Case series review of selected conditions. Part 1: Placental abnormalities

The Prenatal Ultrasound Diagnosis and Perinatal Outcome of Polydactyly

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