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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1990-6-20
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pubmed:abstractText |
Chromosome preparations were made from 25 cleaved abnormal human embryos at the two- to eight-cell stage after in vitro fertilization. Morphologically, these embryos showed either variable degrees of degeneration or an abnormal number of pronuclei before first cleavage. Among 14 successfully karyotyped embryos, only 3 had a normal chromosomal complement. Eleven showed chromosomal abnormalities, including triploidy, haploidy, and mosaicism. This finding documents a high incidence of chromosomal errors in morphologically abnormal early preimplantation embryos.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Feb
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pubmed:issn |
0740-7769
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
7
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
16-21
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pubmed:dateRevised |
2007-11-15
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pubmed:meshHeading |
pubmed-meshheading:2338510-Chromosome Aberrations,
pubmed-meshheading:2338510-Embryo, Mammalian,
pubmed-meshheading:2338510-Embryonic Development,
pubmed-meshheading:2338510-Female,
pubmed-meshheading:2338510-Fertilization in Vitro,
pubmed-meshheading:2338510-Humans,
pubmed-meshheading:2338510-Karyotyping,
pubmed-meshheading:2338510-Pregnancy
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pubmed:year |
1990
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pubmed:articleTitle |
The chromosomal complements of cleaved human embryos resulting from in vitro fertilization.
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pubmed:affiliation |
Department of Obstetrics and Gynaecology, Shaughnessy Hospital, Vancouver, British Columbia, Canada.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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