Choosing the best embryo for transfer has become the major challenge in in vitro fertilization (IVF). Morphology alone is obviously not enough and time-lapse incubation has added embryo development kinetics as another selection criterion. This study was designed to select for the top blastocyst to be replaced, while increasing the pregnancy chance, with the local legislation regulating the number of embryos to be transferred and to establish a morphokinetic standard to be used in our clinical setting.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
NONE
Enrollment
64
Five-day embryo culture in embryoscope which is an incubator with a built-in camera
Sisli Memorial Hospital
Istanbul, Turkey (Türkiye)
Blastocyst formation rate
Time frame: 5th day of embryonic development
Clinical pregnancy rate
Clinical pregnancy was defined as the presence of a gestational sac detected on ultrasound 3 weeks after the first βhCG test, which was performed 14 days after oocyte retrieval.
Time frame: 7th week of pregnancy
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