Cell-free fetal DNA levels in pregnancies conceived by IVF
Author(s) -
Phillip D. Pan,
Inga Peter,
Geralyn LambertMesserlian,
Jacob A. Canick,
Diana W. Bianchi,
Kirby L. Johnson
Publication year - 2005
Publication title -
human reproduction
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.446
H-Index - 226
eISSN - 1460-2350
pISSN - 0268-1161
DOI - 10.1093/humrep/dei165
Subject(s) - cell free fetal dna , medicine , fetus , down syndrome , obstetrics , pregnancy , gynecology , aneuploidy , trisomy , andrology , prenatal diagnosis , biology , chromosome , genetics , psychiatry , gene
Increased second-trimester levels of maternal serum HCG in IVF conceptions lead to an increased false-positive rate in Down syndrome screening. Increased levels of cell-free fetal DNA (cffDNA) in maternal plasma have been correlated with increased HCG levels. Our aim was to determine whether cffDNA levels are elevated in IVF pregnancies compared with natural pregnancies.
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