Reproductive performance in women with sex chromosome mosaicism

Singh, D.N.; Hara, S.; Foster, H.W.; Grimes, E.M.

Obstetrics and Gynecology 55(5): 608-611

1980


ISSN/ISBN: 0029-7844
PMID: 7366919
Document Number: 164154
Among chromosomal analyses performed in 23 couples with a history of 2 or more spontaneous abortions, 5 women had mosaicism of the sex chromosomes, 46XX/473X but all the men had normal 46XY chromosomal complements. Of the fetuses of mothers with sex chromosome mosaicism, 75% were abnormal. Of these pregnancies, 50% ended in abortion and 1/3 of the infants exhibited a chromosomal or physical abnormality. The possible effect of sex chromosome mosaicism on outcome of pregnancy is emphasized.

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