2018
DOI: 10.1159/000493477
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Chorionic Bump: An Early Ultrasound Marker for Adverse Obstetric Outcome

Abstract: Backgrounds/Aims: To assess the perinatal outcome of pregnancies with chorionic bump detected at the first trimester of pregnancy. Methods: This was a nested case-control study of pregnancies with chorionic bump identified at the first trimester ultrasound that was performed from October 2014 and October 2016. The control group consisted of the following 5 unaffected pregnancies after each case. From the first trimester ultrasound, maternal and perinatal characteristics were obtained and stored in a dedicated … Show more

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Cited by 9 publications
(16 citation statements)
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“…Since the original report describing the sonographic characteristics and prognostic significance of the chorionic bump in 2006, subsequent reports have confirmed its association with a higher rate of pregnancy loss than in pregnancies without a chorionic bump . This is true for the general population as well as for patients with a history of infertility treatment.…”
Section: Discussionmentioning
confidence: 90%
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“…Since the original report describing the sonographic characteristics and prognostic significance of the chorionic bump in 2006, subsequent reports have confirmed its association with a higher rate of pregnancy loss than in pregnancies without a chorionic bump . This is true for the general population as well as for patients with a history of infertility treatment.…”
Section: Discussionmentioning
confidence: 90%
“…This is true for the general population as well as for patients with a history of infertility treatment. A computerized search of the Pubmed/MEDLINE database using the term “chorionic bump” revealed six larger series describing between eight to 57 cases and eight isolated reports describing one or two cases. Our report adds an additional 23 cases, for a total of 190 cases reported in the English literature.…”
Section: Discussionmentioning
confidence: 99%
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“…It is a rare sonographic finding observed in the first-trimester obstetric ultrasound with a low incidence, from 1.5/1000 to 7/1000 pregnancies [ 5 ]. The average gestational age of diagnosis is approximately 11 weeks after the umbilical cord's appearance at the thicker end of the chorion frondosum [ 4 , 6 ]. The exact underlying etiology is unclear.…”
Section: Discussionmentioning
confidence: 99%