Cytogenetic analysis in fetuses with late onset abnormal sonographic findings
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Ron Bardin
, Lylach Haizler-Cohen
Abstract
Objective:
To determine the rate of chromosomal cytogenetic abnormalities in fetuses with late onset abnormal sonographic findings.
Design:
Retrospective cohort of women who underwent amniocentesis at or beyond 23 weeks of gestation, for fetal karyotype and chromosomal microarray analysis, indicated due to late onset abnormal sonographic findings.
Results:
All 103 fetuses had a normal karyotype. Ninety-five women also had chromosomal microarray analysis (CMA) performed. The detection rate of abnormal CMA (5/95, 5.3%) was similar to that of women who underwent amniocentesis due to abnormal early onset ultrasound findings detected at routine prenatal screening tests during the first or early second trimester (7.3%, P=0.46) and significantly higher than that for women who underwent amniocentesis and CMA upon request, without a medical indication for CMA (0.99%, P<0.0001).
Conclusions:
Late onset sonographic findings are an indication for amniocentesis, and if performed, CMA should be applied to evaluate fetuses with late onset abnormal sonographic findings.
Author’s statement
Conflict of interest: Authors state no conflict of interest.
Research funding: None received.
Material and methods: Informed consent: Informed consent has been obtained from all individuals included in this study.
Ethical approval: The research related to human subject use has complied with all the relevant national regulations, and institutional policies, and is in accordance with the tenets of the Helsinki Declaration, and has been approved by the authors’ institutional review board or equivalent committee.
References
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Editorial
- Fetal anomalies – From prenatal diagnosis to therapy
- Corner of Academy
- The first trimester aneuploidy biochemical markers in IVF/ICSI patients have no additional benefit compared to spontaneous conceptions in the prediction of pregnancy complications
- Research articles – Obstetrics
- Assessment of strain and dyssynchrony in normal fetuses using speckle tracking echocardiography – comparison of three different ultrasound probes
- Inborn errors of metabolism in a cohort of pregnancies with non-immune hydrops fetalis: a single center experience
- Cytogenetic analysis in fetuses with late onset abnormal sonographic findings
- Fetal MRI, lower acceptance by women in research vs. clinical setting
- Neurological complications after therapy for fetal-fetal transfusion syndrome: a systematic review of the outcomes at 24 months
- Evaluation of management and surgical outcomes in pregnancies complicated by acute cholecystitis
- Pentaerythrityltetranitrate (PETN) improves utero- and feto-placental Doppler parameters in pregnancies with impaired utero-placental perfusion in mid-gestation – a secondary analysis of the PETN-pilot trial
- Early onset preeclampsia is associated with an elevated mean platelet volume (MPV) and a greater rise in MPV from time of booking compared with pregnant controls: results of the CAPE study
- Effect of maternal age, height, BMI and ethnicity on birth weight: an Italian multicenter study
- Risk factors and classification of stillbirth in a Middle Eastern population: a retrospective study
- Selective IUGR in dichorionic twins: what can Doppler assessment and growth discordancy say about neonatal outcomes?
- Early fetal megacystis: Is it possible to predict the prognosis in the first trimester?
- Research articles – Fetus
- A poor long-term neurological prognosis is associated with abnormal cord insertion in severe growth-restricted fetuses
- Birth-weight centiles and the risk of serious adverse neonatal outcomes at term
- Short communication
- Maternal and neonatal vitamin D deficiency and transient tachypnea of the newborn in full term neonates
- Acknowledgment
Articles in the same Issue
- Frontmatter
- Editorial
- Fetal anomalies – From prenatal diagnosis to therapy
- Corner of Academy
- The first trimester aneuploidy biochemical markers in IVF/ICSI patients have no additional benefit compared to spontaneous conceptions in the prediction of pregnancy complications
- Research articles – Obstetrics
- Assessment of strain and dyssynchrony in normal fetuses using speckle tracking echocardiography – comparison of three different ultrasound probes
- Inborn errors of metabolism in a cohort of pregnancies with non-immune hydrops fetalis: a single center experience
- Cytogenetic analysis in fetuses with late onset abnormal sonographic findings
- Fetal MRI, lower acceptance by women in research vs. clinical setting
- Neurological complications after therapy for fetal-fetal transfusion syndrome: a systematic review of the outcomes at 24 months
- Evaluation of management and surgical outcomes in pregnancies complicated by acute cholecystitis
- Pentaerythrityltetranitrate (PETN) improves utero- and feto-placental Doppler parameters in pregnancies with impaired utero-placental perfusion in mid-gestation – a secondary analysis of the PETN-pilot trial
- Early onset preeclampsia is associated with an elevated mean platelet volume (MPV) and a greater rise in MPV from time of booking compared with pregnant controls: results of the CAPE study
- Effect of maternal age, height, BMI and ethnicity on birth weight: an Italian multicenter study
- Risk factors and classification of stillbirth in a Middle Eastern population: a retrospective study
- Selective IUGR in dichorionic twins: what can Doppler assessment and growth discordancy say about neonatal outcomes?
- Early fetal megacystis: Is it possible to predict the prognosis in the first trimester?
- Research articles – Fetus
- A poor long-term neurological prognosis is associated with abnormal cord insertion in severe growth-restricted fetuses
- Birth-weight centiles and the risk of serious adverse neonatal outcomes at term
- Short communication
- Maternal and neonatal vitamin D deficiency and transient tachypnea of the newborn in full term neonates
- Acknowledgment