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- Underlying chromosomal abnormalities, such as trisomy 13, or maternal diabetes mellitus are possible causes, but some cases are sporadic. 潜在的染色体异常,例如三倍体13，或母亲的糖尿病也是可能的原因。
- Objective To discuss the correlation between sex chromosomal abnormalities and gonadal dysgenesis. 目的探讨性染色体异常对性腺发育的影响。
- Objective To investigate the chromosomal abnormalities and fusion genes of childhood acute myeloid leukemia(AML). 目的了解儿童急性髓细胞性白血病(AML)染色体及相关融合基因的变化。
- In this study, we used cytogenetic methods to identify the chromosomal abnormalities in patients with autism. 目前来说，自闭性疾患的盛行率大约0.;1~0
- The exact causes of polycythemia vera is unknown, (some with nonrandom chromosome abnormalities). 严重的有时甚至影响心和脑。
- Doctors extract a cell from an embryo and test it for chromosomal abnormalities. 医生从胚胎中取出一个细胞，并且检测这个细胞是否有染色体遗传。
- Conclusion: chromosomal abnormalities play an important role in oligospermia and azoospermia. 结论染色体异常是导致少、弱精子及无精子症的重要因素之一。
- Turner syndrome encompasses several chromosomal abnormalities, of which monosomy X is the most common. 什么是'特纳氏综合征-染色体条件不足，造成女性性特征'?
- Objective To investigate the relationship between chromosomal abnormalities and clinical character. 目的分析染色体异常与临床表现之间的关系。
- Another is that older mothers age is, the faster ageing of the egg, the more bad quality, likely to cause fetal chromosomal abnormalities. 另一个说法则是高龄产妇年纪越大，卵子老化速度越快，品质越不好，容易造成胎儿染色体异常。
- The results indicated that balanced chromosome rearrangement is the chief form of chromosome abnormalities and being carriers to cause abortion. 讨论了平衡染色体重排的断裂点,热点与染色体脆性部位三者之间的关系,分析了平衡易位是导致习惯性流产的染色体异常的一种主要形式
- Conclusion Chromosome abnormalities may be one of the important causes of abortion, stillbirth, monster and malformation. 其中常染色体异常16例，性染色体异常3例，染色体形态异常7例，标记染色体3例。
- In azoospermia and severe oligo-asthenospermic patients, chromosome abnormality showed numerical abnormalities and structural abnormalities which involved in most chromosomes. 在无精子症及严重少弱精子症患者中，染色体异常表现有数目异常和涉及大多数染色体在内的结构异常。
- Anencephaly is a form of neural tube defect that is typically an isolated birth defect that is not related to chromosomal abnormalities. 无脑儿是神经管缺陷的一种类型，是单纯性先天性缺陷，与染色体异常无关。
- There is a weak but fairly convincing association between chromosomal abnormalities such as trisomy 21 (Down syndrome) and echogenic foci in the heart. 在染色体异常（如21-三体）和心脏内强回声间有一定联系。
- Objective:To study the relationship between recurrent spontaneous abortion and the incidence of chromosomal abnormalities. 目的:分析反复自然流产染色体异常的关系。
- Chromosomal disorder: Syndrome caused by chromosome abnormality. 染色体疾病:因染色体的异常导致的症候。
- Objective To study the relationship between threatened and recurrent abortion and the incidence of chromosomal abnormalities. 目的探讨先兆流产、自然流产与染色体异常发生率之间的关系。
- Chromosomal disorder: Syndrome caused by chromosome abnormality. 染色体疾病:因染色体的异常导致的症候。
- Results:Totally there are 62 cases of chromosome abnorm alities which is 37.7% in all exam iners. 结果检出异常核型62例;占全部被检者37.;3%25。其中性染色体异常53例;占全部被检者31
