Different kinetics markers have been proposed to select embryos with higher implantation rates. The effect of external factors on these markers, such as the stimulation protocol should be analyzed. There are two different types of FSH that are commonly used for in vitro fertilization (IVF) in egg donation cycles, recombinant FSH and human FSH. The effect of each kind of hormone on embryo kinetcis is still unknown. The aim of this study is to observe if there is a difference in embryo kinetics and morphology as well as oocyte morphological parameters between the two types of FSH and therefore to analyze if such markers can be used despite of the stimulation protocols chosen.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
80
Human FSH
Recombinant FSH
Insituto Valenciano de Infertilida
Madrid, Madrid, Spain
time of cell cleavage
Analysis of cell cleavage
Time frame: February 2012
Embryo and oocyte morphology
Analysis of all oocytes
Time frame: February 2012
Outcome rates (implantation, pregnancy and miscarriage rate)
Time requierd to know all the implantation, pregnancy and miscarriage rate
Time frame: February 2012
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