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The day of embryo transfer affects delivery rate, birth weights, female-to-male ratio, and monozygotic twin rate
Valentina Sotiroska ,
Zorancho Petanovski ,
Gligor Dimitrov ,
Makjuli Hadji-Lega ,
Damjan Shushleski ,
Stefan Saltirovski ,
Vladimir Matevski ,
Simona Shenbakar ,
Sasho Panov ,
Lars Johansson
December 2015
December 2015
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Abstract
To compare the reproductive outcomes between the transfer of cleavage-stage embryos
and blastocysts in two different age groups of patients. The reproductive capacity
of women decreases by age. This decrease in capacity is directly related to a lower
ovarian reserve and errors in the meiotic spindle of the oocyte, which increase chromosomal
abnormalities and the formation of aneuploidy embryos with lower chances of implantation.