Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to aneuploidy: aneuploidy screening, Turner syndrome


Having a chromosome number that is not a multiple of the haploid number for the species.
A cell or an organism characterized by an aneuploid chromosome number.

an′eu·ploi′dy (-ploi′dē) n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aneuploidy - an abnormality involving a chromosome number that is not an exact multiple of the haploid number (one chromosome set is incomplete)
abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies
Mentioned in ?
References in periodicals archive ?
MarketsandMarkets said the aneuploidy segment is expected to grow at the fastest CAGR.
The main indication for performing invasive procedures was abnormal results of aneuploidy screening for trisomy 21, followed by maternal age, and fetal structural abnormality The fetal karyotype was altered in 154 (26.
The research, "The clinical utility of DNA-based screening for fetal aneuploidy by primary obstetrical care providers in the general pregnancy population," was funded by a grant from Natera, Inc.
The performance of such noninvasive prenatal tests (NIPTs) for fetal aneuploidy detection across multiple research and clinical studies has demonstrated high analytical specificity (>99%) and sensitivity (>95%) for detection of chromosome 21 and 18 trisomies with similar performance reported for more rare chromosome 13 trisomies (4-15).
Detailed first- and second-trimester ultrasound scans, maternal characteristics and serum markers have been part of standard practice for aneuploidy screening for more than two decades.
However, since aneuploidy remains the most common cause of embryo implantation failure, mtDNA and chromosome testing would be necessary.
Many cancers are known to give rise to multiple copies of chromosomes, a type of mutation known as aneuploidy.
Cell-free fetal DNA non-invasive test is used to detect aneuploidy syndromes, fetal Down syndrome and signals a major shift in diagnostic practice and prenatal screening.
From the fetal/neonatal perspective, twin gestations may carry increased risks of congenital anomalies, preterm birth, and aneuploidy, which are managed similarly to singleton gestations overall, with certain adjustments as necessary.
Discuss cell-free DNA testing when offering fetal aneuploidy screening to pregnant women.
This study aimed to investigate aneuploidy in spontaneous abortion by fluorescence in situ hybridization (FISH) using probes for 13, 16, 18, 21, 22, X and Y chromosomes.
All carcinogens cause aneuploidy, even though they may not cause genes to mutate.