Chromosomal findings in abortion (유산에서 흔한 유전자 문제)

Chromosomal Findings in Abortuses

Incidence in Percent Chromosomal Studies Kajii (1980) Eiben (1990) Simpson (2002) Normal (euploid)         46, XY and 46, XX 46   51   54   Abnormal (aneuploid)         Autosomal trisomy 31   31   22     Monosomy X (45, X) 10 5 19   Triploidy 7 6 8   Tetraploidy 2 4 3   Structural anomaly 2 4 3   Double or triple trisomy 2 0.9 0.7