Size of Y chromosome not associated with abortion risk. 1983

R S Verma, and J V Shah, and H Dosik

The average length of the Y chromosome in men whose wives had multiple fetal loss was 1.046 +/- 0.106, which is not significantly different from the average length in controls (1.068 +/- 0.096). Therefore, it is concluded that there is no evidence for an association of the size of the Y chromosome with an increased risk of abortions as previously suggested. Furthermore, the authors suggest that the definition of a large Y be revised, as the majority of normal males have a Y/F index of more than 1.0, so a Y/F ratio of greater than 1.0 should not be considered a long Y chromosome.

UI MeSH Term Description Entries
D008297 Male Males
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000026 Abortion, Habitual Three or more consecutive spontaneous abortions. Abortion, Recurrent,Miscarriage, Recurrent,Recurrent Early Pregnancy Loss,Habitual Abortion,Habitual Abortions,Recurrent Abortion,Recurrent Abortions,Recurrent Miscarriage,Recurrent Miscarriages
D012729 Sex Chromosome Aberrations Abnormal number or structure of the SEX CHROMOSOMES. Some sex chromosome aberrations are associated with SEX CHROMOSOME DISORDERS and SEX CHROMOSOME DISORDERS OF SEX DEVELOPMENT. Sex Chromosome Abnormalities,Abnormalities, Sex Chromosome,Chromosome Abnormalities, Sex,Aberration, Sex Chromosome,Aberrations, Sex Chromosome,Abnormality, Sex Chromosome,Chromosome Aberration, Sex,Chromosome Aberrations, Sex,Chromosome Abnormality, Sex,Sex Chromosome Aberration,Sex Chromosome Abnormality
D014998 Y Chromosome The male sex chromosome, being the differential sex chromosome carried by half the male gametes and none of the female gametes in humans and in some other male-heterogametic species in which the homologue of the X chromosome has been retained. Chromosome, Y,Chromosomes, Y,Y Chromosomes
D044469 Racial Groups Groups of individuals with similar physical appearances often reinforced by cultural, social and/or linguistic similarities. Continental Population Groups,Race,Racial Stocks,Continental Population Group,Group, Continental Population,Group, Racial,Groups, Continental Population,Groups, Racial,Population Group, Continental,Population Groups, Continental,Races,Racial Group,Racial Stock,Stock, Racial,Stocks, Racial

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