Premium
The Phenotype in Placental Trisomy 7
Author(s) -
Watt Ainslie J.,
Devereux Fenella J.,
Monk Ngaire A.,
Myers Colleen J.,
Gardner R. J. McKinlay
Publication year - 1991
Publication title -
australian and new zealand journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.734
H-Index - 65
eISSN - 1479-828X
pISSN - 0004-8666
DOI - 10.1111/j.1479-828x.1991.tb02791.x
Subject(s) - trisomy , chorionic villus sampling , placenta , karyotype , fetus , biology , pregnancy , chorionic villi , aneuploidy , phenotype , andrology , chromosome , genetics , obstetrics , prenatal diagnosis , medicine , gene
Summary: Trisomy 7, in mosaic state, was identified at chorionic villus sampling. The pregnancy was closely followed, and proceeded uneventfully. Mosaic trisomy 7 was confirmed in the term placenta, the organ having no structural abnormalities; the karyotype of the phenotypically normal baby was 46, XY. Trisomy 7, mosaic or nonmosaic, detected at chorionic villus sampling in an ultrasonographically normal pregnancy, appears typically to be associated with a normal fetal karyotype, and placental growth, structure, and function are not discernibly compromised.