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In Vitro Development

The oocyte after ovulation/ oocyte retrieval eggpic Cumulus cells surround the oocyte. One purpose of these cells is to prevent all the spermatozoa from arriving at the surface of the oocyte at the same time
The oocyte without its surrounding cells. Visable is the protein coat called the Zona Pellucida surrounds the oocyte egg-picture A few cumulus cells remain.
1st day- the fertilized oocyte contains 2 nuclei (one containing half the DNA of the mother, the other half the DNA from the father) black
2 pronuclei are visible to the embryologist, 16-20 hours after fertilization
2nd day-The developing embryo at the 4 cell stage. nice-embryo Visable are four blastomeres (cells).
3rd day- 8-cell stage. eight-embryo All cells are the same
5th /6th day – The blastocyst stage.
The blastocyst increases in volume and hatches from its protein coat
image-blastocyst The cell start to become specialized-Outer cells that will become the placenta and inner cells (at "6 o' clock") that will become the actual embryo.
  • Fertilized oocyte

    The fertilized oocyte has 2 pro-nuclei (one containing the chromosomes from the male –carried by the sperm...

  • Spermatozoa

    How spermatozoa is prepared for IUI & IVF Density gradient centrifugation ( formally known as the percoll gradient )

  • Human Oocyte

    All eggs are not the same! Have you heared your doc say "immature eggs", "poor eggs" etc?

  • Four Cell Embryo

    How embryos are usually graded is by morphological observation...

  • Eight Cell Embryo

    The embryologist observes the development in vitro from a single cell unitil the embryo-transfer...

  • Blastocyst

    Blastocyst develop 5 or 6 days after fertilization...

  • Hatching Blastocyst

    Before implantation the blastocyst has to escape its outer coat

  • Apoptosis of Sperm cells
  • Technique IMSI

    Pre-selection of spermatozoa for ICSI with higher magnif....

  • Technique IMSI 2
  • Micromanipulation
  • Time Lapse Monitoring Of Embryos

    Remote monitoring embryos avoids the practice of removing them from their incubation...

  • Karyotype

    The study of your chromosomes

  • IVF Lab

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