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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 ünsal, yasemin aktas, feriba turhan, özge üner, 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

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