Abstract:
OBJECTIVE:This study was aimed to evaluate the prevalence of sonographic markers for placenta accreta spectrum (PAS) in pregnancies at low-risk for PAS. STUDY DESIGN:Pregnant women at low-risk for PAS presenting for routine second trimester ultrasound who enrolled in the study were evaluated prospectively for sonographic markers of PAS during two ultrasounds at 18 to 24 and 28 to 34 weeks. Frequencies of PAS markers were compared between the second and third trimester and between those with and without prior cesarean deliveries (CD). RESULTS:Overall, 174 women were included. Several markers were seen frequently in the second trimester: vascular cervical invasion (57%), lacunae (46%), subplacental hypervascularity (37%), and irregularity of the posterior bladder wall (37%). Other markers were seen infrequently or not at all: loss of the retroplacental clear zone, uterovesical interface < 1 mm, bridging vessels, placental bulge or focal exophytic mass. Frequencies of markers did not differ between women with and without prior CD. Lacunae were larger and more numerous in the third trimester. Two or more PAS markers were observed in 98% of second trimester ultrasounds. CONCLUSION:Several PAS sonographic markers occur commonly in low-risk pregnancies. In the absence of risk factors, the independent predictive value of these markers is questionable.
journal_name
Am J Perinatoljournal_title
American journal of perinatologyauthors
Philips J,Gurganus M,DeShields S,Cunningham T,Sinkovskaya E,Kanaan C,Porche L,Abuhamad Adoi
10.1055/s-0038-1676488subject
Has Abstractpub_date
2019-07-01 00:00:00pages
733-780issue
8eissn
0735-1631issn
1098-8785journal_volume
36pub_type
杂志文章abstract:OBJECTIVE: This study aimed to determine if delayed cord clamping (DCC) affected brain myelin water volume fraction (VFm) and neurodevelopment in term infants. STUDY DESIGN: This was a single-blinded randomized controlled trial of healthy pregnant women with term singleton fetuses randomized at birth to either immedia...
journal_title:American journal of perinatology
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journal_title:American journal of perinatology
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journal_title:American journal of perinatology
pub_type: 杂志文章,多中心研究,随机对照试验
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journal_title:American journal of perinatology
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pub_type: 杂志文章
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journal_title:American journal of perinatology
pub_type: 临床试验,杂志文章
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pub_type: 杂志文章
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journal_title:American journal of perinatology
pub_type: 杂志文章
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journal_title:American journal of perinatology
pub_type: 杂志文章
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journal_title:American journal of perinatology
pub_type: 杂志文章
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journal_title:American journal of perinatology
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journal_title:American journal of perinatology
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:American journal of perinatology
pub_type: 杂志文章
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journal_title:American journal of perinatology
pub_type: 杂志文章
doi:10.1055/s-0031-1295636
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journal_title:American journal of perinatology
pub_type: 杂志文章
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journal_title:American journal of perinatology
pub_type: 临床试验,杂志文章
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journal_title:American journal of perinatology
pub_type: 杂志文章
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journal_title:American journal of perinatology
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2015-04-01 00:00:00
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journal_title:American journal of perinatology
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:American journal of perinatology
pub_type: 杂志文章
doi:10.1055/s-0038-1676484
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journal_title:American journal of perinatology
pub_type: 杂志文章
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更新日期:2001-08-01 00:00:00
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journal_title:American journal of perinatology
pub_type: 杂志文章
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更新日期:2001-06-01 00:00:00
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journal_title:American journal of perinatology
pub_type: 杂志文章
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journal_title:American journal of perinatology
pub_type: 杂志文章
doi:10.1055/s-2007-994140
更新日期:1997-05-01 00:00:00
abstract::Chorioamnionitis contributes to neonatal and maternal morbidity and mortality. We aimed to evaluate of the impact of clinical and histological chorioamnionitis on mortality and morbidity of preterm infants. Maternal and neonatal data were collected in a retrospective cohort of preterm infants less than 30 weeks' gesta...
journal_title:American journal of perinatology
pub_type: 杂志文章
doi:10.1055/s-0032-1321501
更新日期:2013-01-01 00:00:00