Fertilization Clinical Trial
Official title:
Polar Body Removal Before ICSI as a Method of Oocyte Activation in Previous Fertilization Failure Cases
Cases which undergone ICSI before with failure of fertilization will do another ICSI cycle with removal of the polar body just before the ICSI procedure and sperm injection at the site of polar body removal. This study group will be evaluated with another group with the classic ICSI procedure
Patients with previous fertilization failure will be divided into 2 groups:
Group 1 (control): Will undergo classic ICSI procedure in half the MII oocyte of the same
case.
Group 2 (study group): The other half of the MII oocyte of the same case will undergo:
1. Polar body removal.
2. ICSI procedure with injection of the spermatozoon in the same zona opening (done by
laser for polar body removal).
Results: Will be collected with evaluation of number of 2PN zygotes, Day 1, Day 2, Day 3, Day
5 embryos in all the cases.
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