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Expanded blastocyst (day 5) is hatching through two artificial holes (after assisted hatching by lazer on day 4)-possible origin for  arrising of monozygotic twins after assisted hatching

Submitted by:
Tanya Milachich

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This embryo was fertilized by conventional insemination. 3PN were observed however there was no sign of a polar body.

Submitted by:
Thomas Elliott

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the journey of the zona free oocyte to  the blastocyst stage.

Submitted by:
evrim �nsal, yasemin aktas, feriba turhan, �zge �ner, bilge ekin

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This oocyte was larger than it's siblings and had two distinct polar bodies at opposite sides of the central axis. The oocyte was injected and gave rise to a 3 pro nucleate embryo.

Submitted by:
Thomas Elliott

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Early blastocyst (1) and Expanded blastocyst(2) derived from an oocyte without zona pellucida after ICSI. Normal fertilization with two pronuclei was registered 18h after the ICSI procedure of this n

Submitted by:
Dimitar Barov

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Removing Fragments and degenerated blastomeres from the Embryo

Submitted by:
Abdul Munaf Sultan

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Image shows stump tail spermatozoa recovered from an ejaculate. The subject was treated for childlessness on 4 occasions by ICSI with immotile ejaculatory stump tail spermatozoa. Pregnancy was achieve

Submitted by:
Ali, Jaffar

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Three-dimensional partial zona dissection for preimplantation genetic diagnosis and assisted hatching.

Submitted by:
Victor Ivakhnenko

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Image shows a 8-Cell Human Embryo Conjoined with immature oocyte both of which originally drived from immature oocyte with a GV- Stage oocyte. The mature oocyte was fertilized by ICSI while the GV- st

Submitted by:
Hasan Burjaq

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An oocyte with two polar bodies.Could it be a diploid egg?

Submitted by:
Hasan Burjaq